Quote Originally Posted by Z3_GoCar View Post
If you read the section on the M42 sport cams you'll see that they claim two different lift spec's 10.37mm for the intake and 9.7mm for the exhaust...
I'll defer the facts to you BimmerHeads. I'm only pointing out that the 3.2L approved engine has build limitations that 3L-and-under engines don't.

Personal opinion: I'm not pleased that the 3L "line in the sand" has been breached in STU; let's not go overboard and rub sand in the face here by missing these prescribed limitations... - GA