BMW 3 Series E46 (1999 - 2006) Rear Anti Roll Bar Mounting Bush 21.5mm 21.5mm - PFR5-4609-21.5BLK Fits M3 Models Only - Please check anti roll bar diameter before ordering - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!