135i using N54 engine uses a different manual transmission gearbox to the 1M. Only the N55 135i's uses the same manual transmission gearbox as the 1M. This is highlighted on both realoem & redline's application guide website.
N54:GS6-53BZ/DZ
N55/1M:GS6-45BZ
Last edited by OneM; 11-06-2012 at 05:37 AM..
|