Condor Speed Shop - Rear Subframe Bushing Kit - E82 / E88Our solid BMW 1 Series Rear Subframe Bushings are designed for the street and the track. When the 1 Series is driven hard on the street & on the track, the rear subframe is exposed to extremely large twisting forces. Polyurethane and rubber bushings will deflect and slide, potentially causing your chassis to crack on the subframe mounting points. With Condor bushings, you won't have to worry about any more flex in your subframe, your rear alignment