The Schwaben Silent Block/Bushing Tool Set is the perfect tool for removing and installing the rubber mounted ball joint in the rear axle trailing arm without removing the rear carrier assembly. Some of the recommended use include but are not limited to:Remove and install rear ball joints on E38, E39, E60/61, E63/64, E65/66, and E70'sRemoval and installation of ball joints and bushings on rear control arms on E36, E46, E39, E60/61, E63/64, E65/66, E70, E83 and E85/86 Z4'sRemoval and installation of rear subframe mounted differential bushings on E36, E83 and E85/86 Z4'sRemoval and installation of rear differential mounted bushings on E36, E46, E9X, E60/61, E63/64, E65/66, and E85/86 Z4'sAlways oil threads before useUse hand tools only, no impactWe recommend tight bushings be sprayed with penetrating oil before removal.