11 12 503 Disassembling and assembling cylinder head (N62)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2005 BMW 745i, 2005 BMW 745Li, 2004 BMW 745i, 2004 BMW 745Li, and 2003 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 9 000
11 9 001
11 9 002
11 9 005
11 9 006
11 9 007
11 9 008
11 9 009
11 9 011
11 9 015

Have special tool 11 9 000 ready for removing valve springs.

Secure cylinder head (1) on special tool 11 9 001.

Fig 1: Securing Cylinder Head On Special Tool

G03288773

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Secure cylinder head from above with screws contained in scope of delivery on special tool 11 9 001.

Turn special tool 11 9 001 through 180°.

Align special tool 11 9 008 in conjunction with special tool 11 9 007 on special tool 11 9 006 to relevant combustion chamber.

Fig 2: Aligning Special Tool

G03288774

Courtesy of BMW OF NORTH AMERICA, INC.

Place special tool 11 9 006 on cylinder head.

Slide both special tools 11 9 005 in direction of arrow as far as they will go.

Fig 3: Sliding Both Special Tools

G03288775

Courtesy of BMW OF NORTH AMERICA, INC.

Turn lever of special tools 11 9 005.

Fig 4: Turning Lever Of Special Tools

G03288776

Courtesy of BMW OF NORTH AMERICA, INC.

Turn special tool 11 9 001 through 180°.

Assemble clamping device with

special tool 11 9 002
special tool 11 9 009
special tool 11 9 011
special tool 11 9 015

Fig 5: Assembling Clamping Device With Special Tools

G03288777

Courtesy of BMW OF NORTH AMERICA, INC.

Remove all valve springs. Refer to 11 34 715 Replacing all valve springs (N62) .

Remove all valve stem seals. Refer to 11 34 560 Replacing all valve stem seals (N62) .

Remove all valves. Refer to 11 34 552 Removing and installing/replacing all valves (N62) .