Powerflex Polyurethane Bush kit for BMW E39 5 Series (1996 - 2004) Front Inner Track Control Arm Bush - PFF5-502BLK - This bush fits 535, 540 & M5 Models, for all other petrol and diesel models use PFF5-511. - 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!