Thread: RPI warranty issue???
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      04-04-2011, 07:17 PM   #4
djkrajzi
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Drives: 2007 E92 328xi Alpine White
Join Date: Jun 2010
Location: Chicago

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no performance gains??? Whats all this talk about 8-15whp gain???

so there pretty much is no way for deal to tell if i remove them before taking car in?

is it screwed in or double sided tape?
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