FITMENT Fits for BMW M47 / M47(TU) and M57 / M57(TU). Replace BMW 13 5 190/91. GREAT COMPATIBILITY Works on Diesel engines as follows. E46:318D,320D,330 | E39:525D,530D | E38:730D | E60:525D530D,535D | E61:525D,530D,535D | E53:X5 3.0D. FUNCTION Specifically designed for holding the sprocket/ chain in place when disassembling the VP44 Injection pump and high pressure pump common rail fitted to BMW engines. SUPERIOR MATERIAL .