Powerflex Polyurethane Bush kit for BMW E53 X5 (1999-2006) Rear Subframe To Chassis Bush - PFR5-908 - Available in our Road series material only. Replaces OE part number 33316770454 - Bush Size: - 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!