I have the same issue with 31k miles, lots of smoke on decel and idle not always but 75% of the time ... Going to have it checked out soon.. no performance drop car seems to run normal.. Im on stage 2 Agressive Cobb
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2008 BMW 135i Jet Black AT - AK Downpipes, Berk Mid Pipe, BMS intake, AA Sport FMIC, AA Chargepipe & BOV, COBB AP, Alufelgen Sf-71 19s, Escort 9500ix
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