Kritikal- ARP sells a head stud kit for the M54.
So.. that leaves us with the drivetrain. I know that Clutch Masters has a stage 4 clutch, but I'm not sure what the holding capacity is. I also don't know what the capability of the axles is. Are they the same as the M3?
'03 330Ci 5spd PP
Alpine Type R, MRP 500