Powerflex Polyurethane Bush kit for BMW E30 3 Series (1982 - 1991) Rear Trailing Arm Bush - PFR5-306 - OE Nr 33329061945 - 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!