Powerflex Polyurethane Bush kit for BMW E70 X5 (2006-2013) Front Anti Roll Bar Mounting Bush - PFF5-1404BLK - This part fits models with Active Anti Roll Bars as found on Dynamic Handling specification vehicles and replaces OE part number: 37116771932. - 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!