Installation of Active Autowerke Sport Intercooler on a 2011 1M
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06-28-2012, 04:58 PM
Private First Class
Drives: 2012 135i Coupe, 2015 M4
Join Date: Mar 2012
Location: Los Angeles
what kinda gain am i looking at with the intercooler and downpipe?
also have AA exhaust and afe intake thinking of doing your guys tuning.
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