BMW (1989-'11) clutch Release Bearing Fork Lever Spring Fork Lever Spring for Release Bearing Fork Brand NEW part with full 1 year warranty. BMW part# 21 51 7 570 284, note the mid-year splits. Genuine BMW part, recently made: not been lying around. PLEASE NOTE the mid-year split on PRODUCTION date. See Models Chart BELOW. Not sure about your car? email us your VIN to confirm.