BMW Power Performance Kit Question
I just bought a 2011 BMW 135i and after I bought it I noticed it had a badge for the BMW Power Performance Kit in the engine bay. So I am not sure if I have it or not since I bought this car used. From what I have been reading it seems that this is suppose to make the exhaust have a burble/crackle sound and I don't notice any of that. Is there anyway I can tell? If the car was originally in Texas and moved to Kansas where I bought it, would my local BMW dealership be able to give me info on this?
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