Doesn't depend on which model you install it on. A few have tried it. It doesn't give you more power, which is the usual debate. It can change the feel of the throttle, in terms of throttle pedal responsiveness, similar in concept to what the adaptions do that are designed in to the throttle.

__________________
2007 X3 3.0si, 6 MT, Premium, White

Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue