Powerflex Polyurethane Bush kit for BMW E46 3 SERIES (1999 - 2006) Rear Roll Bar Mounting Bush 22.5mm - PFR5-4609-22.5BLK - Fits M3 CSL and Z4M models - Please check anti roll bar diameter before ordering - Bush Size: 22.5mm - PRICE IS PER CAR KIT, NOT per bush. Powerflex usually price their bushes singly, but we have combined the QTY and price to keep it simple for you!