11 12 503 Disassembling And Assembling Cylinder Head (N62/N62TU)

WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For Special Tool identification, refer to ENGINE - SPECIAL TOOLS - 645CI .

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.

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°.

Fig 1: Securing Cylinder Head On Special Tool 11 9 001

Courtesy of BMW OF NORTH AMERICA, INC.

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

Place special tool 11 9 006 on cylinder head.

Fig 2: Placing Special Tool 11 9 006 On Cylinder Head

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Sliding Both Special Tools 11 9 005

Courtesy of BMW OF NORTH AMERICA, INC.

Turn lever of special tools 11 9 005.

Turn special tool 11 9 001 through 180°.

Fig 4: Turning Lever Of Special Tool 11 9 001

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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
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) .