BMW 3 Series F30, F31, F34, F80 (2011 - 2018) Rear Subframe Front Mounting Bush (Road) - PFR5-420 PFR5-420 is a full replacement bush and replicates the geometry of the original bush. PFF5-420 is made using our Yellow 70A material and recommended for standard or mildly tuned road cars. For inserts that fit into the OE bush use PFR5-419 for 33316758259 or PFR5-1920 for 33316792509. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!