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      06-19-2012, 08:38 AM   #953
Andrew@ActiveAutowerke
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Drives: 2014 435I M-sport
Join Date: Dec 2011
Location: Miami Fl

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Quote:
Originally Posted by shoenlace View Post
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
I would think the gains would be over 7-10 Whp with those mods installed.
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