Flywheel O-Ring fits all O-ring style flywheels 1975-On

Replaces BMW Part No. 11221337093 and 11221337099.

Fits all o-ring style flywheels beginning sometime in the late 1975 model year beginning with these serial numbers:

R60/6 USA 4925289

R75/6 USA 4945230

R90/6 USA 4970610

R90S USA 4990308

Also fits all 77-on models including the clutch carrier hub on 1981-on models.