BMW 6 Series E63/E64 M6 (2005 - 2011) Rear Upper Arm Inner Bush - PFR5-712 This part also replaces the bush in E60 arm OE numbers: 33322347991 and 33322347990. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!