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      09-29-2010, 07:59 PM   #381
howiedds
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Drives: 12 AW E70 X5d
Join Date: Sep 2009
Location: Brooklyn, NY

iTrader: (5)

its a noise mod, and yes it does trigger a code (not tuner), but should not trigger a check engine light.

IMO, do what you want with your car, i dont think its a waste of time/useless mod, its just preference. If you do it, get a BT cable to clear the code before going to the dealer.