Part of the BMW Factory Tool set required for removal and installation of the rear subframe bushings. this top cap is used for installing the new bushings - for E28 and possibly other models. Original part number was 88886333106.
This piece and the others for the E28, E30, E32/E34/E36 Subrame bushing R&R tool sets require the threaded rod (83300492218, #333103) and the 24mm hub nut (83300492219, #333104). The photo shows these 2 parts but they are NOT included with this item.