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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wash, Wax, Detailing and Cosmetic protection/repairs > Getting off baked-on brake dust?



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      07-06-2006, 11:13 PM   #1
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Getting off baked-on brake dust?

What do you guys recommend I use? My front right wheel had some serious brake dust baked into one-half side of it and I used a Zaino clay bar and managed to get 3/4 of the baked-in brake dust out but what should I use to eliminate it completely?
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      07-06-2006, 11:23 PM   #2
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Quote:
Originally Posted by bmwexecutive
What do you guys recommend I use? My front right wheel had some serious brake dust baked into one-half side of it and I used a Zaino clay bar and managed to get 3/4 of the baked-in brake dust out but what should I use to eliminate it completely?
same question. my zaino claybar only removed about 1/2 of mine and I still see some black specks and it bothers the heck out of me.
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      07-06-2006, 11:46 PM   #3
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claybar should never touch your wheels

brake dust should come off easily with a wet rag or sponge.

if it doesn't wipe of easily it's not brake dust
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      07-06-2006, 11:50 PM   #4
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Use Poorboy's Spray and Rinse Wheel Cleaner.
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      07-06-2006, 11:51 PM   #5
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Quote:
Originally Posted by ward
claybar should never touch your wheels

brake dust should come off easily with a wet rag or sponge.

if it doesn't wipe of easily it's not brake dust
Why should a claybar never touch the wheels?

If it's not brake dust, what is it?
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      07-06-2006, 11:53 PM   #6
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i've never even heard of that use of a claybar,


AFIK, it's only for cleaning off impurities from your paint.

I bet if you try a wet rag or sponge it'll work a ton better and not ruin your claybar.


after filling your clay with brakedust I certainly hope it's never going near your paint again........
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      07-06-2006, 11:55 PM   #7
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Quote:
Originally Posted by ward
i've never even heard of that use of a claybar,


AFIK, it's only for cleaning off impurities from your paint.

I bet if you try a wet rag or sponge it'll work a ton better and not ruin your claybar.


after filling your clay with brakedust I certainly hope it's never going near your paint again........
You can use used claybar on the wheels.
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      07-06-2006, 11:56 PM   #8
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Quote:
Originally Posted by ward
i've never even heard of that use of a claybar,


AFIK, it's only for cleaning off impurities from your paint.

I bet if you try a wet rag or sponge it'll work a ton better and not ruin your claybar.


after filling your clay with brakedust I certainly hope it's never going near your paint again........
Come on, you really don't think I tried a wet MF cloth first? I even have a special MF Scrubbing Cloth that was only able to get a little bit of it off. Before I spent an hour on the wheel (yeah it took a long freakin time) you could see it standing up looking at the wheel. Now in order to see it you have to be within a foot of it but I still want to get the rest of the crap off of there.
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      07-06-2006, 11:57 PM   #9
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Quote:
Originally Posted by shimshimhada
You can use used claybar on the wheels.
Not a new claybar?
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      07-06-2006, 11:57 PM   #10
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Quote:
Originally Posted by bmwexecutive
Not a new claybar?
That'd be a waste.
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      07-06-2006, 11:58 PM   #11
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Quote:
Originally Posted by shimshimhada
You can use used claybar on the wheels.
I can use claybar in the shower too, doesn't mean it's a good idea


and if you use it on wheels, you'd damn well have a separate one for your paint


really, why not try the easy way first?

it does help if you clean the wheels every couple of weeks too
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      07-06-2006, 11:59 PM   #12
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wipe off with a wet towel on a wet wheel

brake dust comes off really easy
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      07-06-2006, 11:59 PM   #13
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Quote:
Originally Posted by shimshimhada
That'd be a waste.
Yeah, well I obviously wasted one clay bar then because I ordered the thing specifically for my wheel problem and didn't realize I could have cut the thing in half and saved 50% of it before I went to work. Whatever. Live and learn I guess.
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      07-07-2006, 12:00 AM   #14
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Quote:
Originally Posted by bmwexecutive
Yeah, well I obviously wasted one clay bar then because I ordered the thing specifically for my wheel problem and didn't realize I could have cut the thing in half and saved 50% of it before I went to work. Whatever. Live and learn I guess.
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      07-07-2006, 12:01 AM   #15
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Quote:
Originally Posted by ward
wipe off with a wet towel on a wet wheel

brake dust comes off really easy
This isn't that kind of brake dust.

It's the kind that you almost literally have to take a jack hammer to in order to get off. Well, not really, but it's pretty damn baked on. I know something can get it off though. Maybe some 3M Rubbing Compound? Would that be safe on the wheel's clear coat? I get my kit of spot buffers tomorrow so I'll probably try that and some polish or something. Then if that doesn't work I'll move on a gradient to some more abrasive stuff. At the very worst I'll have my wheel refinisher come over, wet sand the wheel and then put a new clear coat on.
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      07-07-2006, 12:03 AM   #16
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Quote:
Originally Posted by shimshimhada
Who you laughing at shimshimhada
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      07-07-2006, 12:06 AM   #17
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      07-07-2006, 12:07 AM   #18
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Quote:
Originally Posted by bmwexecutive
This isn't that kind of brake dust.

It's the kind that you almost literally have to take a jack hammer to in order to get off. Well, not really, but it's pretty damn baked on. I know something can get it off though. Maybe some 3M Rubbing Compound? Would that be safe on the wheel's clear coat? I get my kit of spot buffers tomorrow so I'll probably try that and some polish or something. Then if that doesn't work I'll move on a gradient to some more abrasive stuff. At the very worst I'll have my wheel refinisher come over, wet sand the wheel and then put a new clear coat on.

must be road tar or something, brake dust should just wipe off

I've gotten some spots of dark stuff from time to time, but if it's that tough to remove it's not brake dust

really though, wet sanding and refinishing would cost as much as buying a new wheel
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      07-07-2006, 12:12 AM   #19
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Quote:
Originally Posted by ward
really though, wet sanding and refinishing would cost as much as buying a new wheel
What are you smokin'?

The guy I use is the person my BMW dealership recommends and charges $70 per wheel. When I slide off the road and ran into that tree log two weeks ago you think I got my wheels replaced? Hell no. I got both wheels fixed to brand new condition in just over an hour for $140 total. So if I had him come out it'd cost me $70.

BTW: Road tar could be a possibility.
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      07-07-2006, 12:16 AM   #20
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ooh, I forgot about your wheels being repaired


a non factory finish may not be as easy to clean, or maybe the people that fixed your wheels painted in some brake dust under the clear coat????

is that possible?
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      07-07-2006, 12:18 AM   #21
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Quote:
Originally Posted by ward
a non factory finish may not be as easy to clean, or maybe the people that fixed your wheels painted in some brake dust under the clear coat????

is that possible?
I was thinking of that but then why would it have come 75% of the way off with the clay bar? Wouldn't nothing of come off if it was under a clear coat?
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      07-07-2006, 12:25 AM   #22
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I know what you're talking about though, my dad's 10 year old beater has baked in brake dust...but that's because he NEVER washed the wheels. I fear for his Boxster's life.
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