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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Sun, May-03-2015, 02:39:42 AM   #41
Lefteris
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Default Re: Taking a unicorn from ratty to rockstar

Awesome work! Please keep updating this!
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Old Sun, May-03-2015, 04:31:09 AM   #42
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Default Re: Taking a unicorn from ratty to rockstar

My windshield is pretty sandblasted and the front and rear window seals are brittle and cracked, so I've booked an appointment with a glass guy for Monday morning. With the front window seals going to be replaced, I thought it would be a good time to deal with a small rust bubble above the windshield.

The supplies needed for rust repair like this are fairly strightforward. You need:
  • tools to scrape away the loose paint (wire brish, pick, etc.)
  • sandpaper of various grit (220, 400, 800, 1000)
  • Eastwood Pre to clean the surface before paint
  • Eastwood Rust Encapsulator to convert the rust and prime
  • Masking materials (painter's tape, kraft paper, etc.)




As you can see, the rust was pretty bad on the leading edge of the roof. If left untended, it will only get worse. I cut away the windshield seal to give me clear access to the metal.




To make the prep easier and to make sure you don't work on more surface than is needed, I find it helpful to mask off the area I want to work in.




I used a Dremel with 220 grit sandpaper to cut down the rust and level the surface, then smoothed out the surface with progressively finer sandpaper. I then cleaned the surface with the Eastwood Pre.




I then masked off the area and painted the surface with the Eastwood Rust Encapsulator. You can see that the surface is not perfectly smooth, but that's okay with my plans for the car.




And the finished result:




As you can see, the clear coat on the roof is pretty rough. Given that, I plan to paint and blend the rust repair, but I'm not too stressed about making everything perfect as I plan to wrap the roof and, eventually, will just have the whole car resprayed.




This should keep the rust in this spot from spreading any further. There is one other significant spot to address near the right rear tail light which will require more significant effort. I'll post that in detail soon.


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Old Sun, May-03-2015, 04:49:53 AM   #43
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Default Re: Taking a unicorn from ratty to rockstar

Thanks for posting that roof detail. I have a small spot over the driver's side. I'm not exactly sure how to tackle it, but I think you have shown me the starting points.
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Old Tue, May-05-2015, 07:45:12 PM   #44
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Default Re: Taking a unicorn from ratty to rockstar

I like the paint repair. It will contain the problem and buy you time.
Wrap the roof? I vote for original body color, if there was a vote.
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Old Tue, May-05-2015, 09:10:11 PM   #45
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Default Re: Taking a unicorn from ratty to rockstar

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Originally Posted by egebhardt View Post
I like the paint repair. It will contain the problem and buy you time.
Wrap the roof? I vote for original body color, if there was a vote.
My preference is to repaint the whole car, although I'm having a hard time finding anyone willing to respray it for a reasonable price right now. Wrapping the roof would be a temporary measure.
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Old Tue, May-05-2015, 09:18:48 PM   #46
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Default Re: Taking a unicorn from ratty to rockstar

The window seals on the car were dry and crumbling, and with the rust spot above the windshield I really wanted to get both windows out so that I can stop any further damage and have a nice watertight seal. So, I had Chris at Glass on the Go in Pleasant Hill make the trek out to my place in Marin to pull the glass. Chris is a BMW guy and is active on some of the boards, so I knew the car would be in good hands.

Chris swapped out the windshield and front seals for a new unit, and pulled the rear glass to replace the seals.




With the windshield out I could successfully repair the remainder of the surface rust.




New glass and window seals helps make any car look like new again.






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Old Sun, May-17-2015, 02:30:21 AM   #47
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Default Re: Taking a unicorn from ratty to rockstar

Nice work! How's the color match to the dove grey? I need to touch up the driver side armrest on my door panel. I'm hesitant to use the dove leather dye I have for the seats because I don't think it'll hold up.
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Old Sun, May-17-2015, 03:14:42 AM   #48
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Default Re: Taking a unicorn from ratty to rockstar

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Originally Posted by zhp43867 View Post
Nice work! How's the color match to the dove grey? I need to touch up the driver side armrest on my door panel. I'm hesitant to use the dove leather dye I have for the seats because I don't think it'll hold up.
The color match was not _precisely_ the same as the original, so you really need to paint all of them if you want it all to match. It's close enough that it didn't stand out against the seats, though.
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Old Mon, May-18-2015, 03:29:15 AM   #49
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Default Re: Taking a unicorn from ratty to rockstar

Spent the day doing some more work on the interior of the car. The seats are fairly rough; cracking, rips, and broken seams. I'm trying to find alcantara seats, but in the mean time I decided to recolor the seats to try to mask the cracking.

First off was removing the seats and masking off the black plastic. From there I sprayed the leather with vinyl dye.






The finished result doesn't eliminate the cracking (obviously), but it makes the seats much more presentable.






I also replaced the door sills. The originals were stained and the rubber seals on the edges were falling apart, so I upgraded them to sills from the M3 Lightweight:






I also took the time to touch up some paint peeling in the rain channel above the driver's side door. I simply masked off the edges and brushed on touch-up paint. Here's the before and after.








Last project of the day was swapping out the hood seals. Like most of the other rubber on the car, the seals were dried out and cracking. New hood seals aren't very expensive, and are a fast swap.

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Old Mon, May-18-2015, 04:33:21 PM   #50
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Default Re: Taking a unicorn from ratty to rockstar

Love the updates in this thread, thank you for sharing! This car really is getting a second chance.

Are you planning to use this car as a daily eventually?
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Discussing Taking a unicorn from ratty to rockstar in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)