BMW Control Arm Bushings Master Kit REAR:This essential tool was designed for the crucial task ofR&R On-The-Car REAR control arm bushings. Its themost complete kit by combining 3 O.E. tools.Specifically tackling the 3 main bushings of theREAR control arm:a.) lower control arm bushing.b.) front trailing arm bushing.c.) upper control arm bushing.Applicable: BMW chassis: E36, E46, E85. E86, E89.there are application discrepancies on Z4models due to differing vehicle generations.