Powerflex Polyurethane Bush kit for BMW E36 3 Series (1990 - 1998) Rear Trailing Arm Front Bush - PFR5-3608BLK - This part replaces OE numbers:33326770817 and 33326770786. - 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!