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Engine and Drivetrain

Information about modifications and repairs to the Engine and Drivetrain on your BMW 2002 and Neue Klasse car. Make your car go fast, or just go. Submit an Article if you have something to share.

46 articles in this category

Warm-Up Regulator Repair Kit Instructions

Warm-Up Regulator Repair Kit Instructions

Where do i get the kit The Warm-Up Regulator kit is now available for pre-order at the 2002 FAQ Store. We expect the new batch to be shipped later this summer What is a Warm Up Regulator, and how does it work? The Warm Up Regulator (WUR), Warm Up Runner, or Warm Up Transmitter (depending on which BMW document you read) is an add-on device mounted to the back of the Kugelfischer petrol injection pump. Its purpose is to control the enrichment of injection pulses and supply additiona

dlacey

dlacey

Recipe For Sorting Out Fuel Delivery Problems in a Tii

Recipe For Sorting Out Fuel Delivery Problems in a Tii

Having recently sorted out three tiis that had sat for varying lengths of time, this is now the recipe I would advise for either sorting out a fuel delivery problem or resurrecting a long-dormant tii. I just did it with Old Blue, the '73tii I just bought that had been sitting for ten years. Pull the pickup tube from the gas tank. If, as soon as you open the tank up, it smells like varnish, you already know that you're going to need to systematically clean everything -- at a bare m

thehackmechanic

thehackmechanic

Megasquirt EFI (and EDIS) for the BMW 2002 - Part 1

Megasquirt EFI (and EDIS) for the BMW 2002 - Part 1

While there is quite a lot of information on EFI conversions for our cars (some of which I will directly reference here), my goal with this article is to help anyone embarking on this type of project with a modular approach, so that one may go at his own pace, and deviate for personal preferences at any point along the way.  My own project has been done on a 1975 base 2002 using Megasquirt 2, Ford EDIS, and B&G firmware, so this will be the basis referenced here.  All standard disclaimers ap

AustrianVespaGuy

AustrianVespaGuy

Swap of a Later Transmission into an Early Car

Swap of a Later Transmission into an Early Car

This is the story of the swap of a later transmission and front part of the propshaft into a 1967 car, to replace the broken and bent ones resulting from an exploded flexdisk/giubo. The problems I was facing at this point included: -shifter platform destroyed (but bent back into shape) -front part of the propshaft bent and flange distorted -transmission flange distorted -mounting point for shift platform broken off the transmission -shift rod into the transmission w

tups

tups

FINALLY, EFI Throttle Linkage!

FINALLY, EFI Throttle Linkage!

This has taken me a full DECADE of trial-and-error-and-refinement but I have FINALLY cracked this awful nut: how to properly make a good throttle linkage for an EFI conversion!  Note that you'll still need to tailor this to your particular manifold/throttle body/mounting points/etc., but I PROMISE this will get you 90% of the way there no matter what setup you are running and I also GUARANTEE that's it's better than what you've already managed to cobble together!  So let's get started! As always

AustrianVespaGuy

AustrianVespaGuy

Weber 32/36 Carburetor & Stock Air Filter Integration

Weber 32/36 Carburetor & Stock Air Filter Integration

I start by saying always liked "stock look” under the hood and never cared for appearance of Weber 32/36 air filter on my 76 ’02. On the technical side, Weber set up is such that air drawn into intake manifold is always warm/hot (from engine compartment surroundings). So it is opposite of air induction system was originally designed for base model. On original setup for most parts selection of warm and/ or cold air determined by air regulator housing. The original system always let outside ambie

Buckeye

Buckeye

Manual Choke Cable Hack for Weber 32/36

Manual Choke Cable Hack for Weber 32/36

Let me guess. You decided to upgrade to a Weber 32/36, got all excited about hearing that new motor roar and then discovered your manual choke cable isn't big enough for her? Well, you are not alone.   You can find several threads on the topic. @Mike Self even has one using piano wire, which if I had a piano I would've tried. But I opted to give more money to the local auto parts store and hack something myself. Sharing my solution and others might share theirs in this thread as well. 

Devilish_02

Devilish_02

Tuning Megasquirt EFI and Spark - Part 2

Tuning Megasquirt EFI and Spark - Part 2

This is the continuation of the Megasquirt/EDIS installation article found here (which I apparently ran out of article room in): This article will focus specifically on how to tune an EFI installation on your 2002.  It will focus on Megasquirt as the example (since that is what I installed on my car and thus am most familiar with), but the general process is still applicable to other type of EFI setups. Note: Before you ask, no, I will NOT share my actual *.msq files.  That's a great

AustrianVespaGuy

AustrianVespaGuy

Installing Exhaust Manifold or Header Studs

Installing Exhaust Manifold or Header Studs

Written by John Aho Monday, 05 September 2005 Installing Exhaust Manifold or Header Studs By John Aho   Studs are designed to be fitted only "finger-tight" into their threaded hole in a casting. However, a locking type of nut (PTN, or prevailing torque nut) is often specified to go on the stud. These two facts present an inherent dilemma. The grip of the PTN on the stud can easily turn the stud when you don't want it to (how often have you removed an exhaust manifold nut and

Collinster742002

Collinster742002

Renewing Rear Wheel Bearings

Renewing Rear Wheel Bearings

Spray castle nuts with penetrating oil several times over a course of a few days and let it to break loose surface tension rust and corrosion. Jack up and support vehicle Remove tire Remove cotter pin Replace tire and lower car to ground Apply parking brake and car in Neutral Loosen up castle nut with 36mm socket and long handlebar Jack up and support vehicle again and release parking brake Remove tire, castle nut and drum brake Heat hub for about 15 minutes.

Buckeye

Buckeye

Engine Identification

Engine Identification

The majority of ‘02’s retain their original factory engines. Each car’s original factory engine was stamped with an engine number that matched that car’s VIN. More specifically, the engine’s block was stamped with this engine number or VIN. Thus, even when the VIN and engine number match, you still might want to do some sleuthing to see, for instance, if the engine’s head might be original to the car. One cannot simply assume that an original block will be accompanied by an original head.  

Conserv

Conserv

Transmission Oil Change

Transmission Oil Change

Pretty straightforward but figured I'd take a few photos and post. More good info here.   This is for a 1976 BMW 2002 with manual 4-speed transmission.     You will need 2 Quarts Red Line MTL A Fluid Quart Pump 17mm Hex Driver Tools to get a plug removed that is probably pretty stuck. Free All Breaker Bar Pipe to turn a ratchet into a breaker bar.           Y

Esteban

Esteban

Motor drop and plant

Motor drop and plant

Motor drop Take lots of pictures, everything, every angle. Disconnect everything, wires, hoses, distributor cap. You may want to remove the front grills and radiator but I don't think that was necessary. Leave the rear wheels on the ground, well chocked. Raise the front end. Front of car secure on jack stands. Remove the front wheels. Remove the bracket on the strut that holds the rigid brake lines Remove the brake calipers and hang them from something with something. Get the car high e

BillWilliams

BillWilliams

Valve Adjustment for BMW M10 Motor

Valve Adjustment for BMW M10 Motor

Article 1: Original Author: Sam Schultz Valve Adjustment for BMW 1602-2002 M10 Motor The process of adjusting the valves needs to be done at every major service. This service happens every 15,000 miles or so. Failure to properly adjust the valves will cause increased wear and rob your engine of power. Tools: 10-mm wrench 10-mm socket (optional) 0.008" feeler gauge Small allen wrench or piece of bent coathanger Parts tray Parts:

Collinster742002

Collinster742002

Strongest 2002 Limited Slip Differential Build

Strongest 2002 Limited Slip Differential Build

How To Build the Strongest Small-case Limited-slip Differential For Your 2002. AKA: Late E36 318i/ti Pumpkin into an E21 Open 6-bolt Differential Case. By Andrew Adams of Ireland Engineering Email: a n d r e w a d a m s @ I e m o t o r s p o r t . c o m Website: bmw2002.com or iemotorsport.com Disclaimer: This is not a beginner project, nor is it meant to be a complete diff-bible, and as such, I (or IE) are not responsible for ANY of your screw-ups. There are some topics which are abbreviat

AceAndrew

AceAndrew

Transmission Install with Motor in the Car

Transmission Install with Motor in the Car

Original Author: Bill Williams My youngest and wrestled for 3-4 hours using a rolling transmission jack. After a long while and not doing anything differently than we had been doing before, it just slipped in - happy - but tired and frustrated. This and aligning a hood are the two main reasons I mate the motor and transmission to the sub-frame before I put them in a car. Mating a transmission really sucks sometimes. However, if you do mate a transmission to the motor while the motor is in the

Collinster742002

Collinster742002

Clutch Bleeding

Clutch Bleeding

Original Author: Bill Williams Mike taught me a way to bleed the clutch system on a five speed that makes things pretty simple. Get a pump type oil can from your local hardware,dedicate it to brake fluid. Put a section of tubing on it that fits the spout on the oil can and the bleeder screw. Fill the can with your favorite brake fluid, connect the tubing to the bleeder screw, crack the bleeder screw open and start pumping. Have an assistant watch your reservoir to let you know when the reser

Collinster742002

Collinster742002

LSD Half Shafts - an Idiot's Guide

LSD Half Shafts - an Idiot's Guide

Giving a nod to the 70’s Volkswagen repair manual that spawned countless others, my post is a distillation of several other posts on how to construct half shafts that work with the installation of an e21 LSD in your ’02.  In all cases, the e21 parts referenced are the “later” e21 parts. In my case, I believe that they came from a 1980 320is.  Other posts and reference material cite differences in dimensions of “early” half shafts, CV joint bolts and differential widths. See the end of this artic

duckdudess

duckdudess

Tires And Wheels Fitment Guide

Tires And Wheels Fitment Guide

Many are referred to the "stance thread" for tire and wheel fitment questions (lots has been tried), but if you are like me you may be craving more. For those looking to get a bit more technical, i have begun to compile some resources. Feel free to post more or critique and i will add it. Eventually i may even combine all of this into a FAQ article. -John --------------—-------------—---------- Want to compare your wheels to what was on the car bofore? Use this site http://www.willtheyfit.

gliding_serpent2

gliding_serpent2

How to Replace a Differential

How to Replace a Differential

Had not seen full “how to” for diff swap, so here you go. Simple job. Well, simple on a car that gets its diff swapped a lot. No promises on a diff that has been in a car for 40 years… What you need: A diff Two 17mm combo wrenches 17mm socket 19mm combo wrench 19mm socket 17mm socket 6mm hex socket (for 2002 cv joints) 8mm hex socket (if you have 320 cv joints) Jack stands Jack First, get the car up on jackstands. Remove muffler Lock e-brake and put car in gear Loosen the 4 nut

M3M3

M3M3

Five Speed Conversion

Five Speed Conversion

Original Authors: Trent Tilton and Rob Shisler Transmission seals kit Shifter rebuild kit New six- or eight-bolt guibo with new nuts and bolts Center bearing Exhaust flex-sealing ring Clutch kit (including e21 323 throwout bearing) New copper exhaust downpipe nuts (3 of them) Downpipe gasket Slave cylinder Slave cylinder extension hose New set of flywheel/pressure plate bolts We are working on getting part numbers

Collinster742002

Collinster742002

Converting to 318i Electronic Fuel Injection

Converting to 318i Electronic Fuel Injection

Original Author: Mike Kubani Mike's 318i Electronic Fuel Injection setup including his custom cold-air box Introduction: This conversion is not recommended for anyone who is not mechanically knowledgeable and ready for a challenge. There are many steps involved and several places where fabrication skills will be required. If you feel that you are not ready for this, it would be best to leave the conversion to a professional. When considering this conversion, it is advisable to do signi

Collinster742002

Collinster742002

Compression Test 101

Compression Test 101

Original Author: c.d.iesel How to perform a compression test? ALUMINUM HEADS? loosen the spark plugs when cold, and snug up to warm up the motor remove all the plugs battery must be fully charged and starter motor spinning like mad disconnect your ignition primary - even more important if you have a HugeBox-o-Transistor mega-spark system also for all of you with powered fuel pumps and injection systems - de-power yer pumps so the possibility of FIRE is eliminated!! hold the throttle

Collinster742002

Collinster742002

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