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      01-10-2013, 11:06 AM   #22
brusk
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Drives: 2008 135i Coupe
Join Date: Jan 2012
Location: Cleveland, TN

Posts: 530
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From the testing I've been able to find a true cold air is good for an extra 3-5HP. Typically not worth it if your looking and the less expensive filter setups but if your already looking at the AFE and others then it might be worth a look. Some have complained about fitment issues though as it's a real tight fit to get down into the front fender area.
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2008 135i - Cobb AP, MS DP's, Berk street exhaust, AMS IC, BMS DCI, CDV delete, Quaife LSD, M3 control arms, M3 rear SF bushings, SS brake lines.
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