BETOOLL 32mm Fan Clutch Nut Wrench Water Pump Holder Removal Tool Kit For BMW E34 E39 E36 E46 E90 and Ford Size: 32mm (1.26") For the purpose to remove water pump on models with temperature dependent viscosity drive fans. Fan Clutch Wrench removes lock nuts on the thermo-Viscous fans. Fan Clutch Holder allows the technician to hold the water pump pulley in place while loosening the radiator fan Suit for:M4,M10,M20 ,M30, M40,M44,M50,M52,M52TU,M54,M56,M60, M70, M73, S14, S38, S54, S50B30, S50B32