BMW S55 M3/M4 One Piece Crank Hub / CrankHub /4 pin soliution Insane Performance | eBay
Crank Hub Slip Fix For BMW M2, M3 & M4 (F87, F80, F82) - Hanz Autoworks
Gintani - Our complete one piece crank hub solution is almost ready. Special tooling and hours of design and engineering has gone into this part. This is not a multi piece part
What is the dreaded "Crank Hub" Failure - FAQ
BMW S55 M3/M4 One Piece Crank Hub / CrankHub / no drilling Insane Performance | eBay