AKG Motorsport Rear Subframe Bushings, Poly 95A – E36Product Description These BMW E36 Polyurethane (95A) Rear Subframe Bushings significantly reduce subframe movement for improved power transfer through the rear end. Rear subframe bushings are also the first step in maintaining proper rear end geometry and alignment. The stock rubber subframe bushings deflect as torque moves through the drivetrain, allowing the entire subframe to move. Reduce rear subframe movement and start dialing in rear end