Solid Rear Subframe Bushing Set - UHMW with aluminum sleeves. The subframe and differential mounting point is the heart of the rear suspension in an E30. When they move, so do all of the rear suspension mounting points. Replacing the stock rubber subframe and differential bushings with UHMW will limit drivetrain and suspension movement and keep your car’s suspension geometry the way it’s supposed to be. They will last longer than the original rubber and do not 'wind up' under load/unload, transferring more power through the axles to the wheels. "You can compare to Solid Aluminum mounts in stiffness, but to Poly mounts in vibration" For BMW e30 (318 323 325 M3, not iX). Recommended for street or race use. Set of 2 subframe bushings. Pair these with a Solid UHMW Differential Bushing for a discount.
