BMW Z Series Z1 (1988 - 1991) Rear Lower Wishbone Inner Bush - PFR5-4616H This part replaces the bush in the original arm OE number: 33326770813 and 33326770824 respectively. To make adjustments to the vehicles camber angles for precision alignment, please use PFR5-4615G that replaces the original arm and bush. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!