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11 12 503 Disassembling and assembling cylinder head (M52 / S52 / M52TU / M54 / M56)

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Special tools required: 

NOTE: For special tools, refer to ENGINE - SPECIAL TOOLS .

Screw on special tool 11 1 442.

Fig 1: Identifying Special Tool 11 1 442
G03163908Courtesy of BMW OF NORTH AMERICA, INC.

Screw special tool 11 1 065 onto special tool 00 1 490.

Provide special tools for disassembling cylinder head:

Fig 3: Identifying Special Tools 11 1 045, 11 0 342, 11 0 343, 11 0 345 And 11 1 441
G03163910Courtesy of BMW OF NORTH AMERICA, INC.

Assemble special tools.

NOTE: Do not install special tool 11 1 441 (locating board) in special tool 11 1 065 at this stage.
Fig 4: Identifying Special Tool 11 1 065
G03163911Courtesy of BMW OF NORTH AMERICA, INC.

Place cylinder head on special tool 11 1 065 and screw on with two screws.

Fig 5: Placing Cylinder Head On Special Tool
G03163912Courtesy of BMW OF NORTH AMERICA, INC.

Remove all valve springs, refer to 11 34 715 REPLACING ALL VALVE SPRINGS (M52 / S52 / M52TU / M54 / M56) .

Remove all valve stem seals, refer to 11 34 560 REPLACING ALL VALVE STEM SEALS (M52 / S52 / M52TU / M54 / M56) .

Remove all valves, refer to 11 34 552 REMOVING AND INSTALLING OR REPLACING ALL VALVES (M52 / S52 / M52TU / M54 / M56) .