Powerflex Polyurethane Bush kit for BMW E46 3 SERIES (1999 - 2006) Rear Roll Bar Mounting Bush 21.5mm - PFR5-504-215 - Please check anti roll bar diameter before ordering - Some part numbers may be described as for the rear but are also for the front anti roll bar on some models. - Bush Size: 21.5mm - 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!