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      08-12-2011, 05:29 PM   #16
Z K
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Drives: E90 M3, MK6 GLI
Join Date: Jul 2011
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Quote:
Originally Posted by MJM View Post
Have we tried SONAX Wheel Cleaner Full Effect on the tips?
I wouldn't try that. The wheel cleaner is designed for painted/clear coated wheels. Exhaust systems are not coated so it may etch and pit the surface.