This tools is specially designed for holding the sprocket/chain in place when disassembling the VP44 injection pump and high pressure pump common rail fitted to BMW engines. BMW: 3, 5, 7 Series E38/E39/E46/E53/E60/E63/E65/E70/E83/E90 Engines: M47, M47TU, M57, M57TU LAND ROVER Freelander (Td4, Td6) OPEL Omega B 2.5 DTI(Y25DT) ROVER 75 2.0 D (M47R)