BMW e24 e28 Sway Bar Bushing Rear (x2 bushings) GENUINE 15.5 mm stabilizer mount Sway Bar Bushing Rear 15.5 mm (set of 2) Brand NEW part with full 1 year warranty. BMW part# 33 55 1 129 225, 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.