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      06-19-2012, 02:09 AM   #951
shoenlace's Avatar
Drives: 2011 BMW 328xi
Join Date: Apr 2012
Location: San Francisco

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2011 328xi  [0.00]
Hey Andrew@activeautowerke, i was wondering if having a bmw performance intake and exhaust affect the hp gain when doing the ecu tune. If so how big of a difference compare to a stock tune? Thanks
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