Originally Posted by marv85
Will give consistency if you're beating the hell out of your car. but not more.
Im sure the car would advance timing to some degree, but a waste of your money never the less.
08' 335xi 6MT
Space Metallic Grey
Premium, Nav, Cold weather, Sport
Procede 2.5, DCI, Forge DV, PWM, Scoops, KW V1, ETS 5" FMIC, VRSF Downpipes, M3 Skirts