BMW 5 Series E34 (1988 - 1996) Rear Trailing Arm Bush - PFR5-606 PFR5-606 is a concentric bush and not adjustable, for an on-car adjustable bush use PFR5-606G. Not suitable for E32 740 & 750 models or the E34 M5, all of which use a sliding bearing type bush. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!