BMW 3 Series F30, F31, F34, F80 (2011 - 2018) Rear Anti Roll Bar Bush 25mm 25mm - PFR5-4013-25 Fits all F87 M2, F80 M3 Comp/MSport, F82 M4 Comp/GTS & F83 M4 Comp models - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!