1. 116150 Alignment Jig: Adjusting the plate for setting valve timing on engine with double Vanos. 2. 116180 Sprocket Assembly Jig: Used for preassembling secondary chain sprockets with chain on camshafts. 3. 114220 Rigid Chain Tensioner: Used for tension primary chain. 4. 113292 Chain Tensioner Lock Pin: Locks chain tensioner during timing. 5. 113450 VANOS COMPRESSED AIR CONNECTION: Use to pressurize the single and double Vanos unit when checking, removing and replacing. 6. Blue carrying case to store the tools.BMW 6 cylinder engine: M52TU (1998-2000), M54(2001-2004), & M56 (2003 to present) 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) M54B22 ● 2001-2003 E46 320i/320Ci ● 2001-2003 E39 520i ● 2001-2002 E36 Z3 2.2i ● 2003-2005 E85 Z4 2.2i ● 2003-2005 E60/E61 520i M54B25 ● 2001-2002 E36/7 Z3 2.5i ● 2001-2005 E46 325i/325xi ● 2001-2006 E46 325Ci ● 2001-2004 E46 325ti ● 2001-2004 E39 525i ● 2003-2004 E60/E61 525i/525xi ● 2004-2006 E83 X3 2.5i ● 2004-2006 E85 Z4 2.5i Contains the tools necessary to assemble and properly time the double VANOS camshaft adjustment unit found in 1998 and later 6 cylinder engines. Kit includes everything you need and is ready to use. Strong and durable. For professional use.