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      01-10-2013, 12:06 PM   #22
brusk's Avatar

Drives: 2008 135i Coupe
Join Date: Jan 2012
Location: Cleveland, TN

iTrader: (1)

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.
2008 135i - MHD/JB4, MS DP's, AMS IC, UI CAI, CDV delete, M3 control arms/Links, RE Toe Link, ECS Trailing Arm, M3 rear SF & Trans bushings, SS brake lines, Michelin PSS.