BMW 3 Series Rear Trailing Arm Outer Bush PFR5-411BLK Suspension Other manufacturers' valves use cylindrical

Other manufacturers' valves use cylindrical springs with adjustable pre-load

however it is necesary to re-use the existing valve "O" ring seal with this pipe

Audi A3 / S3 / RS3 A3 / S3 8L (1996-2003) Rear Diff Rear Mounting Bush - PFR85-426BLK This part fits into subframe OE number 1J0505235F

Dual bank control for precise tuning (with optional external CAN O2 Wideband Controller Kit)

BC valve springs are wound from only the highest grade

BMW 3 Series Rear Trailing Arm Outer Bush PFR5-411BLK Suspension Other manufacturers' valves use cylindricalBMW 3 Series E90, E91, E92 & E93 (2005 2013) Rear Trailing Arm Outer Bush PFR5 411BLK NOTE: Price is for CAR KIT, NOT per bush Powerflex price their bushes individually, but we have combined the quantities to make it simple!