BMW 3 Series E46 (1999 - 2006) Rear Anti Roll Bar Bush 22.5mm 22.5mm - PFR5-4609-22.5 Fits M3 CSL and Z4M models - 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!