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2002 Touring '74 from Belgium, full restoration project (Lots of pictures)


D.martijn

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13 hours ago, PaulTWinterton said:

Awesome progress!  I just reviewed all your pages.  Thanks for sharing your journey.

 

I've done some of the same procedures, but NOTHING close to the magnitude of your body and mechanical restoration.

 

I'm looking forward to more posts.

 

 

 

 

 

Thank you, Paul! I appreciate your kind words, thanks again.

 

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  • 2 weeks later...

Not a whole lot has been done the last couple of days on the 2002, i've been busy helping a friend with welding a roll over jig for the Volkswagen Golf mk1 GTI he's restoring.

 

I found some time to remove the section of floor that was still attached to the left front frame rail. I'm didn't think it would still look this great. Only some surface rust inside.

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I also received the floor plugs from a guy I found on Instagram who makes these again like the original ones. As you no longer can get them with the square in the middle. 

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  • 2 months later...

Ok, I'm back with a smallish update.
Not a lot has happened on the 2002 over the last few months. I was busy with replacing my uncles transfercase on his 325ix Touring. + it was also pretty cold to do anything in the workshop especially welding since the zinc  primer wouldn't dry anyway.

 

So since it's getting warmer, we got started again this weekend. The front left inner sill needs to be fixed, I thought we might be able to get a section from our donor car but it turns out the inside of the sill is rusted badly.

 

After considering making a panel on my own, we decided it would be the fasted to just order a new inner sill and cut the section off that we needed. I also ordered the inner A post panel. Hopefully it will arrive before the next weekend so we can get started again.
I also ordered some plugs for the transmission so we can get that one assembled again.

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A while back we disassembled the transmission of our 2002, we decided to remove a the fork of the 4th gear so we were able to remove the selector shaft to easily replace the seal without damaging the surfaces. (I think.. It's been too long lol.)

 

Anyway, while making the order for the inner sill I also ordered a small aluminium plug cap and a plastic plug for the transmission, this way we could begin the assembly again of the transmission.

Yesterday evening, we first removed the old gaskets and dirty oil, while doing so I noticed the cage of the input shaft bearing was broken, it also felt gritty.

 

Inside cleaned up again.

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Removed bearing and cleaned up bell housing.

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Broken bearing cage, it's plastic so very brittle

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New selector shaft seal tapped in place

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And the little aluminium plug, on the inside of this plug sits the shaft for the fork, it's kept in place by a ball and a spring. After some fiddling we got it in place.

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And new roll pin tapped in the shaft and fork.

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First thing on the list today was to order a new bearing at the local autopart shop. Luckily he had an SKF bearing in stock so we already tapped it in the housing.

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We then started on fitting the inner A pillar panel. We decided to cut the old panel halfway through because there was some heavily pitted rust on the original panel. We can later on replace the upper section of the panel when we replace the flange of the firewall.

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By laying the old panel on the new one we were able to scribe a line and cut it off.

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First test fit was pretty good, although some fiddling will be required on the inside, the original panel has a slight different bend to it.

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Left upper corner had the different bend. I was thinking of cutting a little section out of the original one and getting it more in shape and weld it back in.

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Cleaned up the edges and applied some zinc spray

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While letting it dry I welded some holes that were once drilled in the A post for applying Tectyl

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Panel fitted and welded in at a few places. We first have to fit this panel so we know how far the inner sill sits.

Next is removing the old inner sill. At first we thought it was just in front of the seat brackets but it turns out the previous owner welded a flat plate almost over the whole length of the door gap.

 

The plan is to remove the old inner sill, clean up all the edges of the original floors and weld in the new inner sill by lining it up with the A pillar panel we just fitted. This means, removing all the spotwelds on the sills and floors. Before doing to I first welded in some more tubes to give the shell some more strength.

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I also removed the spotwelds of the front seat bracket that sits against the inner sill.

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Today I got started with removing the old sill, I decided to add another square tube (from the triangular piece that sits between the door posts to the underside of the A pillar where it meets the rocker. This section will be removed later on anyway so I don't have to worry about cutting and cleaning it up.)

 

After cutting a horizontal line across the rocker, I was able to bend it over and have a look inside. The previous owner welded a flat piece over almost the whole length.

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After removing the flat pieces and drilling out the original spot weld that sat under this panel, I also drilled all the ones on top of the rocker through.

After some fiddling and wiggling I got the old inner rocker out.

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While removing some of the spot welds and stitch welds at the floor seam under the seat post, I cut some of the floor flanges into pieces. Turns out there was a section heavily pitted anyway so I decided to remove it. I'll later on weld on a new flange so I can plug weld it to the inner sill.

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New and old piece pictured together. I'm glad we bought that new inner sill because forming/bending such a long thick piece would take ages.

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I might try and go this week after work to the workshop to weld on the new flanges and clean up some other sections although I'm not sure how tired I will be after work. :P

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This week I received some more parts, the isolation pad for the paddle box, some bits for the rear bumper that were rusted/broken on ours, touring specific rear lights seals, rear diff bushings and some other small stuff.

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Today I made some more progress on the drivers side inner sill and floor.

I started with repairing a small section of the floor, I'll later cut the floor on the red dotted line I drew;

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Small patch panel made, fairly easy one this time

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Welded in and ground smooth.

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Next I made some new flanges for the floor panels, I started with cutting a long strip of metal and shrunk it with the shrinker, I got around Christmas, to get the appropriate bends. I made it in two parts

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Next I welded a hole in the new inner sill shut, it had two different captive nuts welded on to it. I removed the one that the original sill did not have.

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Next was time to cut the new inner sill & first time fitting it. Length wise it was pretty much spot on

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Front side at the inner A panel

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inside shot

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Next I wanted to try and fit the floor to make sure everything else was still ok. Turns out it's not close yet. Floor is still a bit too big (5-ish mm)

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The problem I'm having is that the sill and inner a pillar panel is not sitting flat.

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When I push on the underside of the inner sill I can get them nice and flush.

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The problem I'm having it that the floor seems too wide and pushes the inner sill even more slanted. Because of that I can't push it flat again. I'll now try and measure the overall width from the underside of the passenger side to the drivers side front and rear and compare. This will let me know if the floor panel I got is to wide or the rocker is somehow pushed in?

Edited by D.martijn
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  • 2 weeks later...

Not a whole lot has happened the last weeks on the Touring.

I'm currently busy with replacing the fuel tank of my BMW E30 325ix Touring and because it's my daily, it gets my priority over the 02.

 

I did buy some very nice rear interior panels for the Touring since we only had one with the chrome trim, all the others we have have no chrome. Both are in excellent condition considering their age. There is a company in Belgium that repairs cracks/tears in vinyl. We might get the doorcards painted black again when we send our our dashboard in to get repaired and painted as it's quite faded and has a few small cracks.

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Because the the chrome on most 02 door cards has or is falling off by now, we tested applying some aluminium tape to an extra card we have laying around and polished it. This gives a very nice result.

"before"

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"after"

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  • 2 weeks later...

Update on the 02, we would like to rebuild the transmission back soon so we got started on replating some of the remaining hardware. some bolts, seal plates etc..

 

Release bearing guide (this one is a bit darker than the other ones as I let it sit just a bit too long it the yellow passivation bath)
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Output shaft pieces
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Some hardware, bolts are for the transmission, washer and circlip for the diff and alternator as we forgot them last time.
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Diagnostic plug bracket
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Overall very pleased with the results. We also got two new warmes for the electrolyte tank and passivation tank. 

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Some more fiddling with the front drivers side floor.

After making a post on the forum about my fitting issue, a few people suggested to hammer the flange over.

 

I started with hammering the flange over and over, this is how far I got.

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After fitting and dome more hammering, and fitting again it was still off.. Getting a bit frustrated, I decided to get the measuring tape out.

 

This is the width of the floor (from the flange to the little square tabs. roughly 32cm

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Since the old floor fits really good on the new one, we can assume these measurement are a good reference.

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Now measuring this inside of the car, we get 30,5-30,7cm. That's a difference of 1,5cm that the floor is to wide from the flange to the metal tab..? that seems excessive 

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This is measured with the inner sill flat against the A pillar.

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We then decided to check the inner A pillar panel by measuring the depth of the new A pillar panel (the other side fitted very nice so we should be able to trust these measurements.

8cm at the top of the panel

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8,5cm at the bottom.

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Now measuring the depth of the inner A panel, again with the inner sill flat against the A pillar. We also get 8cm at the top.

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And 8,5 cm at the bottom.

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This means that the inner sill it sitting correct, since we know that the A post that still needs to get welded in will fit nice and flush against the inner A post pannel. Thus I think we can concluded that the floor is too wide at the front of the car, it fit's fine at the rear.

Seeing this now, we should rather have cut a small portion out from the old floor and used sections of the new floor instead of completely cutting it out. No way back though. Should I just cut the floor in two? or try and cut a slice out of it to get it more in? this will however cause the front to be at an angle..

 

 

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Today I gave the seat hinges a second coat of 2k paint because the first time I missed a few spots.

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There are a few specs of dirt in the paint as it was a bit windy. I don't think that this will be a problem though because we are going to spray them with some splatter paint.

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I also painted some of the parts for the transmission so hopefully we can get this one together this weekend.

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After painting those parts, I still had some paint left so I decided to already paint the rear brake drums too.

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I even painted the inside too

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Today we got the transmission back together. It's actually the second time we got it assembled. The first time we had the orientation of the selector shaft guide sleeve wrong so it wouldn't 'click' when selecting reverse..

 

Started with removing the tape of the parts I painted yesterday. Turned out great!
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Rear sealing cover installed with a new oil seal and gasket. Using a L-profile bar with two holes in it so we are able to hold the flange while torquing the big nut of the output shaft. Added some cloth between both parts so we don't scratch the paint
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Securing plate tapped into place.
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Then it was time to assemble the gear assembly into the bellhousing. After fiddling a bit and lining up all the shafts, it slit together. The last 15-20mm we forced the two halves together with the bolts.
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Because of the tight fit of the bearing and input shaft, the bearing slid out a bit.
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BMW advises to use their special tool to make sure the bearing doesn't slide out while putting the input shaft (and the gear assembly) into the bellhousing.
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After tapping the bearing back into the housing, we started making our own tool. This is what we came up with. An old bearing race pressed against the bearing in the bellhousing while pulling the shaft through it.
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After it's all the way in, we can add the shims and circlips
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And last thing to do was assembling the throwout bearing and a new seal cover below it.
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Very pleased with the end result. Meanwhile it's all packaged into a big box waiting to get assembled into the car
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We also wanted to splatter paint the seat hinges but is was too windy outside. We decided to clean up the workshop instead.

 

The rear brake drums turned out nice too. The bare metal got oiled up again so it won't flash rust.
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Because today is a holiday in Belgium, my brother and I are home.

We decided to spray our seat hair pads with some latex to preserve them since new pads from BMW are very expensive. 

Both back rests are in great shape, the lower seat pads are a bit dry but with the new latex on them it deffinitly improved. Some new foam and it should turn out good.

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I decided to sandblast the frames as some spots were a bit rusty. At my work we have a decently sized sandblasting cabinet and endless compressed air lol. I blasted almost 4hours straight and never noticed a pressure drop.

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This week I also received some new front springs (we had two different ones on ours), front control arms and rear brake backing plates. The adjustment nut on ours were fully seized. Unfortunately BMW doesn't produce new backing plates anymore.. That's why we went with used ones. 

However, on one of them, the adjustment nut was broken and the guy fixed it by drilling a hole, cut thread and using threadlock to secure a small bolt in the hole. There were some small spot welds still present on the flange of the old nut from a previous repair. I decided to remove the new bolt, mill the flange flat and also got the flange round again as the weld went a bit over the flange.

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The hole wasn't drilled very straight but it'll work.

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Back at the work shop I gave all the frames and the brake backing plates a coats of 2k black satin paint. Tomorrow I'll give them a second coat as I missed a couple spots.

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D.martijn - I just want to give you a special 'THANKS!' as you have one of the best documentations on your build!!  I have learned a lot from following your build.  I even printed a lot of your photos for reference for my 02 build.  GOOD JOB!!

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