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Welcome to BMW 2002 FAQ
...the most important tool in your 2002 box
We are a community-based and community-supported information resource for BMW '02 series cars that were built from 1968 through 1977.
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Blog Entries
Weber dcoe 40s
Just scored a set of dcoe 40s that I’ll be in the process of rebuilding and acquiring parts to fit them into the 74
So...This Happened
Been bouncing around the idea in my head for a while and I finally pulled the trigger. I figured it's easier now than later when the car is all put together. I wanted the cooling system plumbing to match the fuel, oil and differential oil plumbing so I converted everything over to AN -20. Super easy to do but it set me back about $600. I'll be using an in-line radiator filler from Summit (not yet arrived). Got the bars bent for the main hoop on the roll cage and for the front radiator/hood support. The front support is bolt on and removable, if need be, in the future. The lower radiator support is a welded in bar between the frame rails. The radiator sits at a slight angle so there should be plenty of room between it and the motor, not to mention I wont be running a fan, cap and rotor, etc. Which also makes the plumbing of the cooling system much more simple as well. @AceAndrew your website https://adamsautosport.com/ mentions a bare bones M20 swap. Is that me? Wasn't sure because I wouldn't consider this an M2002 but this car is definitely bare bones. Slowly but surely....
1st Place! BMW CCA Day @ Larz Anderson
Vern won 1st place in Vintage 1st & 2nd Generation Super Clean Class at the Boston Chapter's BMW CCA Day at Larz Anderson Auto Museum in Brookline, MA Chris Auty won 3rd in the same class with his 1967 BMW 1600GT.
Suspension & Brakes
I pulled the front and rear subframes, welded on reinforcement plates and adjustable rear camber and toe kit. Powder coated both subframes, put poly-urethane subframe mounts and bushings everywhere besides the motor mounts to avoid unwanted vibrations in the car. Ground control coil over kit in front and adjustable spring mount in rear paired with bilstein sports. “Big brake” 320i vented front discs with with Volvo girling calipers and rear 250mm 320i drums for ample stopping power. Stainless brake lines and Adams Autosport cunifer hardlines. All hidden behind a set of BBS rs001s freshly powder coated and polished. Stock engine other than a set of IE street headers and stainless exhaust. But that’s next on the list....
The Build Rules
As I mentioned before, the goal of this build is to build a car that meets the regulations of group 5 while implementing modern technology to make it faster. A set of the rules is located at https://argent.fia.com/web/fia-public.nsf/whistj?open . The specific rules im following are the 1976 versions since that is the year of my car. I will cover in brief the simplified versions of the rules as i have read them. I would ask if you have time please read them as well to make sure i haven't misinterpreted anything. The Main rules are in articles 268 and 269 Part A states the minimum acceptable weights as a dry weight(actually at end of race but lets add a safety factor) Part B ) The shape of the body must be retained but sections can be removed for weight savings. The Doors, hood and trunk may be made of different material but cannot change shape.All but windscreen material can be replaced. The Fenders are open but must retain the wheel arch shape and cover at least 180 around the tire and the full width of the tire. The interior is open but the driver should remain in the same area of the vehicle, with no sharp edges present. Part C) The block must be same as the original vehicle with displacement open. It must also be in the same orientation as the production vehicle. Part D) Gearbox and diff are open but should remain in same location in the vehicle Part E) The suspension type should be the same type as the production vehicle but points can change location Part F) Steering system is open Part G) Widths should match chart based on displacement Part H) Brakes are open Part I) There must be a safety cell. It may not be in drivers compartment or engine compartment. Part J) Aero Devices may not protrude out past the frontal projection of the car. Front splitter may not be longer than 10% of the wheelbase as measured from the furthest forward point on the original bodywork. It must also be installed below the plane of the wheel hub. The rear wing may not exceed 20% of the wheelbase as measured from the outermost part of the bodywork There are more rules in the earlier sections regarding cage material layout and size but that's a bit too technical for this post. Now time for me to explain the game plan. I have taken lots of inspiration from articles and pictures i have found on the internet. The most helpful was a speedhunters article on the Zakspeed Capri. It had great explanations as well as great pictures of the car less bodywork. http://www.speedhunters.com/2013/02/fire-breathing-neck-snapping-the-ultimate-capri/ Chassis - The main frame structure will rely on a 4130 Chomoly tube frame structure that will include all the major mounting points. This means both front and rear sub-frame structures disappear in order to reduce weight. Also the whole front clip will be removed. This frame structure allows for easier repair and modification to meet the needs of the car. It also increases the structural rigidity of the vehicle. This frame structure will also replace the rear of the car and provide safer mounting for the Rear wing and fuel cell. Suspension - Both ends of the car will have the original parts replaced by custom structures in order to reduce weight and have better kinematics since point dictation is free. Both ends will receive coil-overs with external reservoirs. Hubs will be upgrades to a modern 5 lug BMW setup in order to easier obtain aftermarket big brake kits and for easier choice of rims. Rims will stay a traditional 3 piece but with turbine fans in order to aid under-body air extraction. These wheels will be complimented with modern race rubber. Steering will be converted to forward mount Rack and Pinion Setup(I work for a steering company, its easy to get a spare one) Driveline - The Motor will stay an M10 Block but the head choice hasn't been finalized. The plan is to sleeve the engine down to 1.6 liter or a similar size that allows an already in production race piston. which will be paired to a lightweight con-rod. AS with the spirit of Group 5 the car will have a nice healthy turbo mounted to it. The goal is for around 450HP at the crank. The exhaust will have a side exit just before the passengers door. The Motor will also be equipped with a dry sump system and an external electric water pump. The Radiators will be moved rearward to in front of the rear wheels. This is because the front will have an oil cooler and intercooler. The transmission will be a 6 speed sequential that can either be set up for lever or paddle actuation. The rear differential will be from a newer BMW that can handle the power. The engine itself will be shifted back in the car balance out the weight and to reduce the rotational moment of inertia. Aero - The front will include a larger front spliter with side shields in order to maximize the available front downforce. This will transition into 2 small tunnels that open to the suspension area. The Front fenders will vent on top and out the back and include wing elements before the wheel to produce extra downforce. The side of the car will have large sideskirts in order to minimize air bleed over. The underside will be flat bottom until after the rear diff where a diffuser will be located. The diffuser will extend past the bodywork slightly to help with downforce. The rear fenders will house the radiators so they will have a forward intake and the air will be routed to vent in conjunction with the rear wing. Extra winglets will be mounted on the fender behind the wheel as well as the lower section of the fender will be used as a smaller diffuser section. The rear wing will be mounted with large endplates and in a location as to balance out the aero. All bodywork will be replaced with fiberglass except the roof. The doors hood and trunk will only change material not shape. Other - For safety and easy of use an airjack system will be mounted in the car. Also a fire suppression system will be mounted in the engine compartment. The dash will be replaced by a digital readout. The engine will be controlled by an aftermarket ECU from MOTEC. The race seat will be a proper FIA approved seat. The car will most likely look like Formula SAE met Group 5 which is basically whats happening. Let me know what feedback or questions you have about my plan. I haven't covered everything and there is still plenty of time to change things.
Wing work (part 2)
I’d say that’s a major improvement!! Wow!!! Just waiting in one more part from restoration design. Then we will get the old girl back home for more of the stuff I can do on my own. It’s really exciting to see progress!!
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Recent Articles
43rd Anniversary - 2002ti victory at LeMans!
On June 14th and 15th 1975 a BMW 2002 took on the greatest endurance race in the world. For the full story please see 'A BMW 2002 Takes on LeMans' in the History and Reference section of Articles. Setting off for the fuel economy run, which was a complicated prerequisite for qualifying in '75. Note the extra lights have not been installed yet. On the starting grid on Saturday afternoon. It was a hot summer day. On the grid just before the start. Note the high intensity rear red fog light and twin tanks. In the paddock before the sponsor decals were added. The TS sticker on the door indicates the 'Touring Special' class.
Resurrecting an old 2002 - pitfalls, tips, and helpful hints
I've searched around and haven't seen a thread dedicated to the initial steps of resurrecting a 2002 that has been sitting/abandoned/undriven/unstarted for many years. (if there is such a thread, please link it here). There are the 100 tips which are helpful, but somewhat dated https://www.bmw2002faq.com/forums/topic/41562-light-reading-a-few-tips-myths-lies-truths-and-other-c/#comment-668762 For years we have seen new members appear with a car they've just bought and no experience on how to or where to start. Most times, these threads receive lots of good advice on how the newbie should proceed, but then those threads become lost and we have to start the whole conversation over again. There are basic steps a new owner can proceed with to insure his new project doesn't bog down and I'd like to see a thread that catalogs those tips; starting here. Please feel free to add comments and direct tips to previous threads or, of course, the Articles Section for specific procedures https://www.bmw2002faq.com/articles.html/technical-articles/ As an example, we have a few new members with early cars in various states of condition and the questions usually start with " what should I do first?" I usually suggest the following. Prep yourself with the basics: Learn how to search FAQ ( this Article is old, but seriously folks, figure it out) https://www.bmw2002faq.com/articles.html/faq-use/how-to-use-search-r171/ Buy a Haynes Manual and spend an evening reading through it so you'll know where to find the info when you need it Equip your toolbox with the best tools you can afford (proper screwdrivers, metric wrenches, flashlight, telescoping magnet, feeler gauge set, etc...) Use jack stands every time you are under the car Have patience and a sense of humor You just pushed it off the trailer into the driveway and the wife is "thrilled"...now what? Clean it up...nothing kills motivation faster than a car that looks like crap Vacuum the inside of all the mouse droppings, dirt, leaves, pine needles, blunts, stems and seeds... Wipe down all the vinyl and glass Clean the engine bay...this may take several days of concerted effort, old greasy buildup won't surrender easily, but a clean engine is sooooo much more pleasant to work on Clean the outside...air up the tires, wash and wax it. Washing by hand will allow you to see loose trim, missing screws, cracked window seals, etc... Step back and envision what it will look like when you are done. Take stock of what is on the car and what is missing. Make a list and prioritize the project's needs. (should you buy a $500 Petri wheel when the engine doesn't even run yet?) Take good pictures of the engine bay, suspension, whatever it is you are working on. It can save you from an "oh crap" moment when you're not sure how something goes back together Compartmentalize your goals to keep from being overwhelmed and know that these projects take time to complete. Expect delays when parts you need are not available locally and it'll be a week before your web order will arrive. Spend the downtime addressing some other part of the project; but always accomplish something; even if it's simply zip-tieing loose wires under the dash; or maybe you can paint those rusty steel wheels? For a car that hasn't run in a while.... fix the brakes and steering before you go anywhere Jack it up as high as you can and place it on jackstands Before removing the wheels, check for excessive play in the wheel bearings Remove wheels and inspect every brake component. Bleed the brake/clutch hydraulics. Any wheel that doesn't bleed easily indicates that a soft line or wheel cylinder, or caliper needs replacing. If it leaks, repair/replace Learn how to adjust the rear brakes and emergency brake...so simple and so important (Haynes manual has a good instructions as does the FAQ) Repack any bearing that displayed excessive free-play (just do them all for peace of mind) Inspect all suspension components for worn/cracked rubber bushings. If it's loose, plan to replace it Old, cracked tires? replace them 13" Kuhmos are what.. $50/each? Is the exhaust rotted out? Is it hanging loose? Always change all fluids unless the PO has good records that he'd recently done it, but double check. Any oil or lube that you drain that is milky or strangely discolored, may indicate water contamination... Not good in any circumstance Here's a good lube link https://www.bmw2002faq.com/forums/topic/99316-lube-specifications/#comment-276758 Engine oil and filter - you can't go wrong with 20w-50 with ZDDP additive ( I like Valvoline Racing oil) and a Mann or Mahle filter Transmission fluid - drain it and replace with Redline MTL, or 85/140 mixed 2:1 with ATF, or straight 80W dino-lube Differential fluid - drain it and replace with Redline 75/90, or 85/140 dino-lube Fuel system If the car has been been sitting a very long time, unplug and remove the sending unit, drain the gas tank, and inspect the inside of the tank for rust Change the fuel filter Check fuel line hose clamps and replace any rubber fuel line that shows any sign of cracking, or leaking. Not entirely necessary, but you can remove the top of the carb to check for gunk/debris in the fuel bowl which may give an indication of future running problems You could also remove the idle jets and blast them with carb cleaner for good measure Does the car have a mechanical fuel pump or an electric fuel pump? Inspect that it is functioning properly. Engine Remove the valve cover and inspect the valve train, looking for broken valve springs, rockers, etc... Is there a lot of sludgey-oil build up? If you can turn the engine over, perform a valve adjustment https://www.bmw2002faq.com/articles.html/technical-articles/engine-and-drivetrain/valve-adjustment-for-bmw-m10-motor-r27/ It has been recommended for engines that have sat for many years that you pull the plugs and give each cylinder a shot of lubrication... some say diesel fuel, or ATF, or engine oil. You are basically trying to lube the cylinder walls prior to turning the old engine over. Use the FAQ search to find out what you think works best for you. With the valve cover off, set the engine to TDC per the mark on the camshaft and paint your timing marks on the lower pulley and/or the flywheel (check the Haynes manual for these locations.) You WILL thank yourself later when you are setting the timing with a timing light. With the engine at TDC also confirm the static timing of the distributor.( Again the Haynes manual has description and pictures in the Ignition Section). This will insure that the initial startup goes well. Ignition Replace plugs with new ones... NGK BP6ES seems to be the crowd favorite, or Bosch W7DC. Gapped accordingly... 0.025 with points, or about 0.030 with electronic ignitor like Petronix Inspect distributor cap and rotor for cracks. If you have points and condensor, install new and gap/dwell accordingly. Check distributor shaft for excessive axial play (up and down)...worn shaft will make for erratic timing and poor running...something to think about once you are tuning the car up. Check plug and coil wires. Replace them if cracked Inspect wiring at coil. All connections should have tight, crimped, spade connections. If anything has loose, electric tape...inspect it and replace with proper connections. This goes for ALL wiring. Any wiring you find with wads of electric tape should be suspect. Start the engine With a fresh battery (with good cables and clean connections), fresh gasoline, fresh oil and fresh ignition components... turn the key and crank the engine. If you've done all the prep work, hopefully it fires up! if not, you can start troubleshooting more easily now that you know you have replaced, set tolerances, and checked each item ahead of time. Is there spark? Is there fuel? Cooling system Drain radiator and block, remember to open the heater valve (turn the dash lever to hot). The block drain is located on the passenger side of the block, behind the exhaust manifold, below the #3 and #4 exhaust ports... if I remember it's a 17mm bolt. If you remove the bolt and nothing comes out, it's blocked by old, crystalized coolant. Poke it with a stubby screwdriver or wire to clean it out. You must drain the block, though. Refill cooling system with 50/50 antifreeze and distilled water. The 2002 is notorious for developing an air bubble in the cooling system after draining the system. When refilling, elevate the front of the car, leave the radiator cap loose and squeeze the upper radiator hose to insure there are no air bubbles. All this while the engine is running. This is certainly not a comprehensive list but I hope it helps those looking for a way to get started on their new projects. There are so many topics and tips... I hope others will chime in with their favorites; like cleaning all the grounds and light bulb connections because the blinkers don't work. Have a great weekend,
Ed Z Cedar Park, Texas
Headlight (and Fog/Driving Light) Wiring Upgrades
While the electrical system of the 2002 is no Lucas catastrophe, it's still 60's level technology and has its fair share of shortcomings. I'll refrain from labeling it 'poorly designed,' but the headlight circuit is one of the primary 2002 electrical systems that has lots of 'room for improvement.' Also, with the popularity of adding additional fog and/or driving lights to these cars, this makes for the perfect time to rewire and improve this whole system while adding such upgrades. A quick note on 2002 wiring Generally speaking, Germans are clever, organized people, and this shows in the 2002 wiring. Here are some of the more subtle but clever points to keep in mind when looking at the 2002 wiring diagram: 1.) The SOLID RED wires all go straight to the battery. These are the ones to be careful with. Don't short one and blow up your battery! Everything electrical component on the car can be traced back to one of these red wires for its ultimate power supply (usually via the ignition switch). 2.) All SOLID color wires are UNFUSED. Screwing up and shorting one of these wires will likely damage something. 3.) The SOLID GREEN wires go to the ignition switch and are hot (+12V from the battery) when the key is in the 'Start' and 'Run' positions. 4.) The SOLID PURPLE wires go to the ignition switch and are hot (+12V from the battery) when the key is in the 'Accessory' and 'Run' positions. 5.) All 2-color or STRIPED wires are FUSED and therefore safer; shorting one of these will just blow the corresponding fuse. 6.) The SOLID BROWN wires are always ground. Every electrical component on the car eventually terminates to ground via one of these brown wires (You probably already knew this one!) The Problem: A relay is a device used to switch a high-current load (e.g. a big bright headlight) based on a much lower-current input signal (often a switch). The early roundie 2002 low beams use a relay like this, however the high beams have no relay and draw their power instead through the light switch on the dashboard; something that is NOT good for the longevity of that switch. Plus there's also the safety risk associated with having that high current path in the interior cockpit. Here's the 'proper' current path for the low beams, traced in blue, from the battery, through the relay, to the fuse, to the headlight, and finally to ground: In comparison, here's the path for the high beams from the battery, through the switches, to the fuse, to the headlight, and finally to ground: Not as pretty, right? All that high current for the high beams goes through the ignition switch, main light switch, and high beam/turn signal stalk! Note that on later (I *think* all square-tail) models, even though they added and additional high beam relay, BMW still just routed both the high and low beam current through the switches in a similar manner! Why the Bavarians didn't just use a second relay in the same manner as the roundie low beams were done I'll never know, but no matter, that's what the FAQ is here for! The Solution: No that we know what we do and don't want, here's how to go about fixing things. The simplest method, and what I recommend to everyone whether upgrading anything else or not, is to add in a relay for the high beams. This can be done easily with essentially NO modification to the existing wiring harness, just a reconfiguration of the old low beam relay and a new SPDT relay, as follows: If it isn't obvious to you, the way this works is as follows: - Fresh 12V supply is taken straight from the battery to provide the power for both low and high beams. - The existing wiring from the main light switch (yellow/white for low beams) and stalk (white/blue for high beams) are used as the inputs to control the relay coils. - The relay outputs then hook up to the rest of the existing wiring to the fuse panel and then to the lights themselves. - The low beam relay coil is grounded THROUGH the high beam filaments, so that the low beams turn OFF when the high beams come ON. (This is the right way to do things, for both legal and practical reasons). Depending on your exact year, you may need to run a new large (say 10) gauge wire (preferably RED!) from the battery for the 12V supply, and if you do NOT have a later model with the factory high beam relay, then you will need to find the connector #89 where the high beam white/blue wire meets the white wire, disconnect these, and run new leads for both from that junction up to your new high beam relay: If you're planning to upgrade to H4 or similar higher output headlights, most would advocate replacing the existing wiring to the lights themselves with new, larger gauge wire. While this is generally a wise idea, if your existing wiring is in reasonably good shape my above circuit should still also work without overtaxing anything. This is because the overall run of the wiring (from the battery to the lights to ground) is now much shorter than the original path that went all the way up through the switches and back again. I like this because it helps to keep the wiring cleaner and easier to sort out again in future, but if you're at all nervous, by all means error on the side of caution and run big new wires in place of the original ones! Additional fog and/or driving lights Now that we have the main lights all sorted out, it's time to move on to adding those beautiful auxiliary lights on to our 2002s! Here there are basically two options: fog lights and driving lights. But which ones do you want? Fog lights, as the name implies, are intended for driving in foggy or other poor-visibility conditions and provide diffuse, low down light that is not reflected off the fog/rain/snow etc. and back up into your eyes. Driving lights, on the other hand, are more like high beams and are aimed higher and are meant to provide additional illumination down-road in the dark when weather conditions are more favorable and there is not any oncoming traffic to worry about blinding. Unless you live in a crappy climate in Europe where fog lights are truly warranted, I think that most 2002 drivers are better suited with driving lights. An additional bonus that I like to leverage with auxiliary lights is that, if done correctly, you can also use them all the time at lower intensity as daytime running lights (DRLs)! I accomplished this by using a DPDT relay to power my driving lights in SERIES (which makes them about 30-40% of full brightness) whenever the car is on, and then switching them to PARALLEL (100% full brightness) whenever the high beams come on. This also means I don't even need to run a separate switch for them, as they just use the existing high beam switch. Whatever the case, we are fortunate enough to have a connector provided by BMW up in the nose specifically for the addition of such driving lights. It's the #9 connector on the white/purple high beam wire most wiring diagrams: If you don't care about DRL functionality, then you can simply add in a relay, again run a new red wire straight from the battery to supply the power, and use this connector to trigger the relay coil, and you're done! But if you're like me and feel that higher visibility = greater safety (shout out to all Colorado, Inca, Golf, Mint,Verona, and Tiaga cars!), then here's the circuit to wire them up to double as DRLs: I didn't draw it because I already had one, but for this you CANNOT take your +12V power straight from the battery, otherwise the DRLs would stay on even when you turn the car off, and quickly kill you battery. So you need to find/make a source for switched +12V power instead. For this I recommend adding another relay that is powered straight from the battery but that is triggered (on squaries) using the green wire that originally powered the headlight relays (which is now unused and available after upgrading those relays), or (on roundies) you can run a new spur of green ignition wire from one of the unused terminals on the back of side of fuses 3, 4, or 11: Now, you will have a relay that provides power only when the ignition is on that you can use for all sorts of things, such as the power source for these DRLs! You should also add a new fuse (I use 20A) somewhere in your fog/driving light circuit in order to keep everything properly protected! When it's all done, here's how it works: With the ignition on but the high beams off, the current flow is through the lights in series as follows: But when the high beams are switched on, the relay switches the path and the lights are instead powered in parallel, thus: Well, I hope that some of you find all of this helpful, and are able to use this knowledge to make your cars brighter and more enjoyable! Feel free to comment or PM me if you find any errors or have further questions! -Carl P.S. A quick note of thanks to @Ireland Engineering, @Nijn, and @323IJOE all of whom have created wonderful colored versions of the 2002 wiring diagrams! I'm not sure whose specifically I used shots of here in this write-up, but you all deserve thanks for your efforts!
Rear Disc Conversion with Caliper at 3:00 and 9:00 o
This upgrade is to compliment a pre-existing Volvo/320i vented system (-or whatever it is you Tii fellas do..) that can be added to the front with relative ease. In an effort to replicate the placement of the calipers in a rear conversion at the stock(ish) 3 and 9 O'clock positions as compared to the front calipers, I worked with Todd21 who had formulated a plan based on the work of others, combined with his own ideas.[/b][/b] Here is the stock location of the front calipers which we are attempting ot replicate: His concern, which as it worked out was OUR concern, is that the calipers in other designs were hung off the bottom, necessitating that the calipers be removed in order to get the bleeder vertical when... bleeding. For example: This led to a rather gutsy design and ultimately a fine product. Although the final products for Todd an I are slightly different, I will cover the reasons. The biggest being that we live four hours apart, and once I returned home and discovered the need to a rethink, reworking from afar was impossible.. so it evolved. OK, so, for reference, here is a bone stock swing arm and bone stock assembly.. As you may have guessed, the stopper in anyone's design looking to get the caliper in the correct position, is the location of the rear shock boss. In this design, the stock shock boss is removed and thus relocated. (This is the gutsy part!!) Here is the drawing for the adaptor plate, indicating the placement of the new shock boss. This exact design worked well on Todd's car, with I.E. Stage II 235 LB. springs, 15X7 et 25 wheels and stock shocks. Where my Eibach progressive springs, 15X7 e25 wheels combined with Bilstein Sports (larger body to the shock), required a different shock boss location to provide clearance for the shock body and inner lip of the rim. As well, the lower shock boss location in my final offered more travel to prevent shock bottoming.. even with sports. The reason being, while Bilstein's have more aggressive dampening rates, they also have longer compressed length than the OEM shocks. Todd's final: My final: As you can see, my design became a two part plan.. I was able to get the mounting location in an almost identical parallel to the original boss location. This totally eliminated the issue I was having with bottoming. In hindsight, I will say that had I the ability to redesign based on the original drawing, I could have extended the shock boss to get the wheel clearance and the drop needed to have it all come together with just the plate. So going forward, I recommend this be the route anyone following this method use. Once again, refer to Todd's original drawing, and extend the boss (test fit the plate with the shock and wheel installed to measure the appropriate boss dimension). See the next pic for a visual... So without further ado, lets dig in to this.. Here is the parts list: Donor car info: · Rabbit Mk1 (A1/Typ 17, 1974-1984) · Golf Mk2 (A2/Typ 19E, 1985-1992) · Golf Mk4 (A4/Typ 1J, 1998-Present) Parts needed: QTY Description 2) VW Calipers (rear) from MK4, 2000 to 2006 Golf, Beetle, or Jetta (with lines) 2) VW Carrier Brackets (rear) from MK2, 1985 to 1989 Golf or Jetta 2) VW Rotors (front) from MK1 (74-84 Rabbit) (239x12mm) 2) Reduced OD hubs from 2002 (existing hubs can be modified at a shop, or on the car if you're clever..) 2) Adapter plates (see drawing) 6) M10x25 Socket Head Cap Screw 2) M10x20 Flat Head Cap Screw 1) Proportioning valve for rear brakes 1) 3’ section of 3/16” steel brake line Procedure: Start by jacking the rear of the car and placing jack stands under it to allow for safe work. This should be done on a flat hard surface it at all possible. All typical safety precautions should be taken to prevent the car from falling during the conversion. Very little, if any work will require getting under the car, but always err on the safe side. While we love our cars they can be replaced, we cannot. Remove the rear wheels, brake drums, and hubs exposing the brake shoe assembly. The components of the rear drum brake assembly will be completely removed, including the backing plate attached to the spindle tube flange. The cable for the parking brake can be left hanging loose. The hard brake line can be removed back to the connection with the flex line at the trailing arm. Remove the shock absorber mounting nut and slide the shock absorber off the trailing arm mount. Using a grinder or port-a-band saw cut the shock absorber mount off the flange. This is required to allow clearance for the caliper piston. The flange can be relieved as required during final fit to minimize the amount of the flange removed. Install the fabricated adapter plates (see drawing) to the spindle tube flange using two socket head cap screws (SHCS) in the front holes and two flat head socket cap screws (FHCS) in the rear holes. The FHCS are required to allow clearance for the carrier bracket. Loc-tite 242 (blue) should be applied to all fasteners. Here we are test fitting with an early prototype bracket.. The rear hubs will be reduced on the outside diameter to allow the brake disk to pass over it. Take a measurement of the inside diameter of the brake disk “top hat” and then turn down the outside of the hub to allow the two parts to mate. Once the hub and disk is installed, test fit the carrier bracket and caliper to insure proper fit. The carrier bracket may require the slot for the disk to be opened depending on the location of the disk and hub. Once the hub and disk are installed and the carrier bracket and caliper are installed, you will then install the wheel and put the swing arm under load with a floor jack. Do this to gather your measurements for the length of the shock boss. Check for clearance at the inner wheel lip, the caliper and the spring. You can reuse the original knurled shock mounting stud in your design. We used rod stock. Counterbored to accept the stud, and tack welded it into place. Then.... here's the tricky part, Todd ground the boss to a 21 degree angle on the bolt head end. His best attempts at getting measurements on the boss orientation put it at 21 degrees down from the horizontal and rotated around 11 degrees to get the proper position. Just put the bolt/boss in the bottom mount of the shock and take a look. If it doesn't look right grind the angle to suit you and then put in back in the shock and see if it looks correct. Once the angles and clearances add up, tack it into place , remove the plate and fully weld. (The position on the drawing is for reference.) Next, the brake line from the VW are of very good quality, and can be installed on the trialing arm. Straighten out the hard line to allow for it to be routed along the trailing arm similar to the original line. Attach the hard line end to the fitting on the trailing arm and then route the flex end to the caliper. The banjo mount on the caliper may require turning 90 degrees to create clearance with the inside of the rear wheels. While you're at it, grind off that little rectangular nub from the body of the caliper. It got in my way later.. Install the shock to the new mounting location. Install the proportional valve in the line to the rear brake calipers. Bleed the system down. This will take some time since the system has been broken into in more than one location. The parking brake cables can be attached to the calipers by extending the cable using a locking chain link or other means. The cables are not long enough to make the connection as is so I used a small chain link that I got a home depot to extend it. You must do a little grinding on it to get it to pass through the end of the cable.. (While it may not pretty, until we discover another means to accomplish this, it does work very well. Verified with over a year on the road. Be sure to torque your hub nuts when finishing up... Install the rear wheels and adjust the proportioning valve to achieve proper bias.[/b] One of these days, I'm going to go test my 60 to 0 stopping distance, as a reference.. so watch for it.
#34 Hyde Park 2002 @ The Mitty
Last weekend we travelled across the country to participate in the 2018 Classic Motorsports ‘The Mitty’ races held on the beautiful Road Atlanta circuit just north of Atlanta, Georgia. This is perhaps the biggest vintage race on the east coast with over 300 entries. The featured marque for this year’s race was Nissan/Datsun so the paddock was full of 510’s and Z cars. My 2002 was the token German in our paddock, which was also home to the cars of John Morton, the Grand Marshal for the event, and Adam Carolla. Our weekend began on Thursday with the red-eye flight from Portland to Atlanta. With only 4 hours of troubled sleep our next challenge was morning rush hour traffic up I-85 through the heart of Atlanta. YUK! We had been invited to visit the BMWCCA Foundation Museum which is located across the street from BMW’s mega-plant outside Greenville, SC. The museum is preparing to open their new exhibit called “The Icon,” to commemorate the 50th anniversary of the introduction of the 2002. My car was invited to participate in the exhibit. I had shipped it back to SC a month or so ago and was excited to break it out for the weekend to go racing. I found a local race-prep shop, Vintage Racing Co., to transport the car from the museum to the track and to do a race prep on the car. The owner, Michael Eberhardt, was incredibly helpful and competent. Our visit to the museum was great. We met the curator, Michael Mitchell, who is responsible for putting the exhibit together, as well as Scott Dishman, the Director of the Foundation, and Jackie Bechek, who is on the Board of the Foundation. We toured the facility and saw how the exhibit is coming together. There are 24 other significant 2002’s being readied and set in place for the exhibit. Around the outside are photo’s, paintings, dealer signs, and a wide array of memorabilia associated with the development, manufacture, and introduction of the 2002. The exhibit is scheduled to open on May 18, 2018. Following the tour we were taken across the street to have lunch at the Performance Driving Center. Our lunch included a quick tour of the school and a ride around the track in a M2 with Mike Renner. It was time to head back down to the track and get registered for the weekend and find our car in the Road Atlanta paddock. Because of the huge number of entries HSR was utilizing both paddock areas at the track. The Racecraft truck was located in the Pro paddock on the inside of the Start/Finish straight. Thursday morning began at 7:20 AM with a quick driver’s meeting. Since I have never driven Road Atlanta I had signed up for the Track Orientation Program. This program, run by Jim Davis, started with a van tour of the track. Jim talked us through car placement, turn-in points, landmarks, and a host of other helpful information. Following the van ride the TOP group had their own test session on track. Jim’s tour was very helpful, but there is nothing like logging laps in your own car to learn a new circuit. Road Atlanta has several blind turns, most notably Turn 11. You approach the turn from one side of a steep hill, and then crest the hill and turn while passing under a bridge. The back side drops steeply while still turning down to the very fast Turn 12. On my first lap I followed another BMW that drove straight off the track his first time through Turn 11. I almost followed him, but was going slowly enough to turn and stay on track. Believe me, television does not show how steeply the track drops as you plunge down to Turn 12. On Friday our group had 2 practice sessions. My lap times got better each session as I gained confidence and familiarity with the track. My best lap in the first session was a 1:50.7, and 1:48.8 for the second session. In the afternoon they put several groups together for a sprint race sponsored by Sasco Sports. It was a large group of over 50 cars, and I started 31st. The race was only 8 laps and with that many cars on track it was very hectic the entire race. I managed to pass a few cars and finish 28th with a best lap of 1:47.9. I will say that the racing is more aggressive than we have on the west coast. I had a Porsche dive bomb me turning into turn 3 several times, as well as a few cars that blocked as I was trying to pass them, even on the straights. On Saturday we had one Qualifying session in the morning and a sprint race in the afternoon. I was able to get my lap time down to 1:47.0 in the morning session which put me 32nd on the grid out of 44 cars. I was happy that my times were still improving, but not so happy to be buried so deeply in our group. The race went better than I thought. I passed 6 cars in the first couple of laps, but got blocked by a lapper on the last lap and finished 28th with a best lap of 1:46.8. Considering the higher afternoon temperatures and some grease on the track from all the cars running, I was pretty happy with that. We only had our feature race on Sunday. Several cars in our group either broke or left early so we had 21 cars take the green flag. I started 13th and again passed several cars in the opening laps. After 4 laps I found myself right behind Jim Froula in his 240Z and was able to stay with him until the checkered flag for a 9th place finish, and a best lap of 1:45.6. Both Mary and I really enjoyed the weekend and our time in the Atlanta area. The people were warm and friendly, the weather was perfect, and the BBQ was spectacular. Road Atlanta has been on my list of tracks that I wanted to drive. It is fast, technical, and intimidating. It rewards lots of laps and familiarity. The best part of the weekend was the fact that #34 worked flawlessly all weekend, and was driven onto the truck on Sunday night with no issues. He will get a well deserved rest in the BMWCCA museum until next January. I want to thank Scott Dishman and Michael Mitchell at the BMWCCA Foundation Museum; Michael Eberhardt from Vintage Racing Co.; and Jim and Austin from Racecraft.
Seats - Restuffing Your Stock '02 Seats
Written by David Duncan Wednesday, 07 September 2005 Repadding the stock '02 seats is a time-consuming but worthwile procedure. While most people will simply upgrade to some nice Recaros when their original seats have had it, many prefer the original look or simply can't yet afford to go with some replacement Recaros. For these people, restuffing the original seats is a great option. In my case, I repadded the front seats in my 1975 2002 for about $35 worth of foam and a few evenings of work in my spare time. The first seat I tried took about eight hours, and the second one was about six hours. Although it took a while, the results are great and I got to clean and condition the seats while they were out of the car. Parts/Tools Needed: Foam pads from upholstery shop or crafts store (more on these below) X-acto knife Needle-nose pliers Flat head screwdriver Phillips screwdriver FAT Phillips screwdriver for the side screws Sockets, spanner set, or crescent wrenches Optional: some 1/4" car headliner foam to put under horsehairs (if you are refitting them) For new foam pads, I bought some 2" foam from a fabric/crafts store. Measure your seats & backs and add a couple inches either way- you will be trimming them to fit. For me, it cost approx. $35, which isn't bad compared to the cost of Recaros. This was the very flexible upholstery foam...the kind you can squeeze to "zero." They had white and green, and I went for the green, which seemed denser. The thickness of the foam will depend on the condition of your existing horsehair pads and whether you want to reuse whatever is left of them. Mine were close to gone, especially the driver's seat, but still all one piece. I chose to refit the horsehairs under the foam, so I only needed the 2" thick stuff. If your horsehair pads are completely gone, then you will want to get thicker foam. Restuffing Procedure: The following assumes that all '02 seats are constructed basically the same, but as I mentioned my car is a '75. First you want to take the seats out, remove the rails, and then dismantle the hardware. There is a reason why this took so long, and that is because you want to be careful with your old seat materials! Pull the covers off slowly...they are attached by a series off metal hooks on the frame. Pry the hooks up to make it easier, and be careful, they're sharp 'n' rusty! I just used my hands to pull the vinyl back, afraid that pliers would tear it. Cut the foam to fit, with a little overlap. If you want (I didn't think of this till after I was done) you could get even thicker padding & custom cut the "wings" of the seats, for a more "Recaro" feel. I took some car headliner foam (about 1/4" thick and a few extra bucks) and sewed it to the spring frame to make a base for the old horsehairs so they wouldn't shed into the car. Refit the horsehairs (if you are re-using them), then place the foam into position. Putting the seat covers over the stuffing is a wrestling match, so get yourself pumped up! I managed not to tear the vinyl, but you should check your covers and their seams and make sure they're strong enough for the stretching. If they're dry & brittle, it might be a different story. I wasn't able to repad the headrests (the stems were pretty rusty & didn't want to move...and they are still semi-comfy, so I skipped 'em). Start with the front of the seat, and then work your way to the back, hooking along the way. You have to work with the material and the foam to keep it in place. When you're about three-fourths of the way back, grab the front of the seat and pull the cover towards the back, coaxing it into place. At first, I didn't think there was much leeway at all for stretching. Then I got a little brave and figured out how to coax the cover. It does give a bit...you just gotta work it along. By far, this was the most aggravating part; I found talking to the seat helpful! Before you put the seats back into the car, it's a good time to clean 'em up a bit with a brush and your cleaner of choice... not to mention a GREAT time to crack a cold one! Reassemble the rails hardware, then bolt the seats back into car. I used a couple of washers under the front rails to 'lift' the front of the seat slightly (provides a better driving support...a cool tip I got from the message board). If you want to try extra padding in the lumbar area, go for it. But the funny thing is that when the seats were back in place, the lower half of the seat back felt much thicker and supportive. I don't know how that happened, but the lumbar support was instantly built-in and noticeable! It was such an extreme difference at first, I didn't think that I could lean all the way back and drive at the same time! Shows how bad off the original padding was! Now, I sit upright and drive, and it feels GOOD! Anyway, one size of foam did the trick for support and comfort. Though I did think of getting 1/2" or 1" pieces to add to specific areas, I just went for one size and it worked out fine. It also followed the natural design of the original seat, which isn't exactly the most ergonomically fine specimen, but it's adequate enough for straight posture (and the '60s design rules!). I do want to try beefing up the bolsters sometime, especially now that I've done it before. It's a "crazy" project, but well worth it on that next drive...very comfy! I plan to do the rear bench next...and can't wait! I'm just amazed that I took on the project, and it came out nice! I still dream of Recaros, though. I hope this helps and if you have any questions, please post them to the Message Board! COPYRIGHT 2002, BMW 2002 FAQ, Rob Shisler and Steve Kupper. All Rights Reserved. Additional detail for beginners like me (mataku527): - I used a combination of the green foam mentioned above and nu-fiber, which is reportedly similar to horsehair. - Detailed breaking down of the seats procedure below, I found this order to be best: First take the seats off the rails, there are two 10mm bolts on the front and 2 on the back rails: Remove the side covers on both sides. They are quite fragile. The upper is held by a small tap, pry it off carefully. Remove the larger screws on the upper half: Remove the wired connection from the upper half to the bracket. For this part, it is easiest if you keep the upper half of the seat upright and open up the bracket away from the seat: Pry up the circled part, it is only pressure inserted into the bar going across the bottom of the seat. You have to line it up when reinstalling.: Remove the spring clamp: Once you do that, you can pull the whole bracket off and remove the rails.
