Both the base plate and housing cup are CNC-machined from a single piece of extruded 6061-T6 aluminum
Easy installation: they simply bolt onto the rear shocks via the lower mounting bolts
then our E30 raised (9mm or 12mm) rear subframe bushings are an excellent option
Precision engineered for a perfect fit
318ti bushings replace the factory bushings with ones that lock the subframe in place - preventing it from moving
Rear Upper Shock Mount Bushings, Poly - E90, E92, E82 BMW F32 Both the base plate andThese polyurethane BMW E90, E92, E82 rear upper shock mount bushings are true, performance rear shock mounts that drastically reduce the deflection that occurs with the factory bushings. The stock bushings deflect under load negatively affecting the rear shock damping, especially with a modified suspension and increased shock valving. Upgrading your factory shock mounts to our poly BMW E90, E92, E82 rear upper shock mounts will drastically reduce this