Quote:
Originally Posted by howiedds
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.
|
as bmw told me that this is not only for sound it also works for engine to prolong work of engine and also presure so all thing can have later result