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      01-28-2010, 12:04 AM   #1
bimmergoat
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Drives: M3 E90 Jerez Black
Join Date: Feb 2008
Location: charlotte

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Is your rear bumper stained due to CATLESS midpipe

I have the RPI full race exhaust and recently noticed that my rear bumper and lower part of the trunk has a film on it that cannot be removed with normal washing. I most certainly will have to use a clay bar. I was just wondering if anyone else is having this problem and what they did about it. My color is Silverstone.