Applications: BMW VANOS Sprocket Wrench M50 M52 S50 S52: Special wrench designed specifically to turn camshaft sprockets when removing or installing the VANOS variable valve timing unit. BMW 4 & 6 Cylinder Camshaft Alignment / Timing Tools: This tool kit contains all the necessary, engine-specific tools to time the camshafts in BMW M42, M44, M50, M52, M52TU, M54, M56, M50US and S52US engines. Applications: M52TUB25: 1997-2001 E46 323i/323Ci/323ti (M52T) 1998-2001 E39 523i (M52TU) 1998-2001 E36/7 Z3 (M52TU) M52TUB28: 1997-2001 E46 328i/328Ci (M52TU) 1997-2001 E36/7 Z3 2.8 (M52B28/Z3) 1998-2001 E39 528i (M52TU) 1998-2001 E38 728i (M52TU) .
