Originally Posted by daxtor
Have you checked with Tirerack? Were they able to help?
ive spent lots of time with tire rack and these m performance brakes. bmw will not release the cad drawings of the brakes or of the OEM wheels to tire rack for them to assess proper fit. tire rack no longer guarantees fit if they know the car has m performance brakes. living just a few hours from their facility in south bend indiana, i offered them to have my car for an afternoon for some type of promotional compensation so they could take measurements and help me find 18s. they said no thanks and advised going with a 19'' wheel instead. and, not all 19s they sell will fit either. the hat clearance these performance brakes require is significant.
im now running 19'' asa gt5 wheels as winter setup. d'oh!