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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > Repairing Style 37/M Parallels



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      03-25-2021, 09:21 PM   #1
Peter5498
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Repairing Style 37/M Parallels

Finally sourced a set of M Parallels The problem though is that the clear coat has some peeling on 2/4 wheels and Iíd honestly like to make them look great.

I looked up a few threads/videos on the repairs but they arenít exactly what Iím looking for. My plan is to strip off the clear coat + paint, repair any rash/corrosion, and then repaint/polish and finally clear coat. Is this as easy as using Rust-Oleum Aircraft Remover, doing a little bit of sanding, and finally spraying the spokes and polishing the lip? I donít have months to be doing this, but really a few weeks. Just looking for advice. Thanks!
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      03-25-2021, 09:27 PM   #2
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This thread and the poster should be of great help; https://www.e90post.com/forums/showt...el+refinishing
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      03-25-2021, 10:03 PM   #3
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These wheels have diamond cut lips, painted/PC'd centers, and are lacquered over the whole wheel. I believe you'll need special equipment to mimic the brushed finish on the lips, it's not DIY-friendly. I've not heard of a DIY clear coat that will stick to this finish.

There's a ton of applicable information here: https://www.m5board.com/threads/bmw-...finish.606512/
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      03-26-2021, 02:32 PM   #4
Peter5498
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I see that nsjamesí thread is kind of what I had in mind. The thread on M5 post is also applicable but I would prefer not to machine them down and leave less material there for bends/cracks to happen down the road.

My main thing is that the clear coat is peeling off a few of my wheels and Iíd like to get that fixed in some way before moving to Hawaii where the raw aluminum could corrode pretty easily (or at least thatís my assumption).

This guy here actually sanded down all the clear, painted, clear coated, etc but idk if thatís really practical. Might be best to follow nsjamesí thread really. I think Iíll ask on the M5 forum actually since they use these wheels the most.
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      03-26-2021, 07:45 PM   #5
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Quote:
Originally Posted by Peter5498 View Post
Finally sourced a set of M Parallels The problem though is that the clear coat has some peeling on 2/4 wheels and Iíd honestly like to make them look great.

I looked up a few threads/videos on the repairs but they arenít exactly what Iím looking for. My plan is to strip off the clear coat + paint, repair any rash/corrosion, and then repaint/polish and finally clear coat. Is this as easy as using Rust-Oleum Aircraft Remover, doing a little bit of sanding, and finally spraying the spokes and polishing the lip? I donít have months to be doing this, but really a few weeks. Just looking for advice. Thanks!
expect to drop 200 hours in it.
and I don't even want to think how hard it will be to work around the spokes all the time while refinishing the barrels.

there's no way to keep the diamond cut finish with home equipment, so you'd have to commit to just sanding out the whole lip and polishing it.
I'd do like I did on the inside and cover it in aluminum paint. screw sanding all the barrel smooth.
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      03-26-2021, 09:39 PM   #6
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The amount of effort required to DIY this properly is not worth saving $200 per wheel to get it done professionally in a few days.

Look at al the hassle nsjames went through...and is still going through.

Don’t get me wrong I’m all about doing things myself, but sometimes you just gotta ask yourself what is my time worth.
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      03-26-2021, 11:45 PM   #7
Peter5498
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Yeah these are all good points and really Iím not looking to throw too much money in since theyíre in decent condition and I donít even have the time right now.

Would peeling clear coat really screw up the aluminum and cause tons of corrosion if I live close to the ocean? Anybody know if just a clear coat stripper alone could help me out in this? These are my motives because Iím really not too antsy about the current condition of the aluminum itself.
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      03-27-2021, 10:13 AM   #8
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Quote:
Originally Posted by Peter5498 View Post
Yeah these are all good points and really Iím not looking to throw too much money in since theyíre in decent condition and I donít even have the time right now.

Would peeling clear coat really screw up the aluminum and cause tons of corrosion if I live close to the ocean? Anybody know if just a clear coat stripper alone could help me out in this? These are my motives because Iím really not too antsy about the current condition of the aluminum itself.
I live no where near the coast and raw lips need polished monthly because they haze.

I'm trying sealant this year.

Basic MEK based paint stripper will not remove the factory clearcoat without aggressive wire wheeling that will destroy the diamond cut finish.

If you can find something that will decently strip the wheels chemically, then yeah, strip them and repaint them.
good luck. the factory clear coat is impressively chemical resistant.
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      04-06-2021, 06:29 PM   #9
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Quote:
Originally Posted by Peter5498 View Post
Yeah these are all good points and really Iím not looking to throw too much money in since theyíre in decent condition and I donít even have the time right now.

Would peeling clear coat really screw up the aluminum and cause tons of corrosion if I live close to the ocean? Anybody know if just a clear coat stripper alone could help me out in this? These are my motives because Iím really not too antsy about the current condition of the aluminum itself.
Any updates?
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