Fits the Following BMW Models
1 Series :
3 Series:
SEE HERE FOR INSTALL REVIEWS AND DYNOS
FORUM 1: http://www.n54tech.com/forums/showthread.php?p=537601#post537601
FORUM 2: http://www.bimmerfest.com/forums/showthread.php?p=10156168#post10156168
YOUTUBE: https://www.youtube.com/watch?v=2IRLcPDGpb4