Buy OEM BMW Part # 11267713723 (11-26-7-713-723). GROOVED BALL BEARING. Engine housing cover, left; Primary shaft; Starter 1-way clutch/reduct gear shaft

42X20X12

WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to www.P65Warnings.ca.gov/passenger-vehicle.

Fits C600 Sport, C650 Sport, C650GT, HP4, S1000R, S1000RR, S1000XR