General description This Timing Tool Kit is designed specifically for BMW 6-Cylinder Engines, including models M52TU, M54, and M56. It is an aftermarket tool that serves as a replacement for the original tool, ensuring precise camshaft alignment for various BMW models. Technical specifications Complete Set: 8 Pieces Includes: Camshaft Adjustment Tool, Test Gauge, Locking Block Cylinder 1-4, Chain Tensioners, Crankshaft Lock, Test Adapter, Chain Tensioner Pin Compatibility and accessories Compatible with BMW M52TU (1998-2000), M56 (2003-Present), M52TUB25 Fits BMW E46 323i/323Ci/323ti (1997-2001), E36/7 Z3 2.5i (2001-2002), E39 523i (1998-2001) Also compatible with E46 325i/325xi (2001-2005), E36/7 Z3 (M52TU), E46 325Ci (2001-2006), E39 525i (2001-2004) Includes models E60/E61 525i/525xi (2003-2004), E83 X3 2.5i (2004-2006), E85 Z4 2.5i (2004-2006) Compatible with E39 528i (1998-2001), E46 330i/330xi (2001-2005), E46 320i/320Ci (2001-2003) Also fits E53 X5 3.0i (2001-2006), E85 Z4 3.0i