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Home >> BMW >> 2003 >> X5 46i >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine - Repair Instructions - X5 (3.0L)) >> Cylinder Head With Cover >> 11 12 503 Disassembling and assembling cylinder head (M52 / S52 / M52TU / M54 / M56)

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

WARNING: This page is about a different variant/trim than selected.
NOTE:

For Special Tool identification, see SPECIAL TOOLS - X5 (3.0i) .

Special Tools Required: 

(Cylinder head removed.)

If necessary, remove coolant thermostat.

Screw on special tool 11 1 442  .

Fig 1: Installing Special Tool 11 1 442
G03230053Courtesy 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:

NOTE: Do not install special tool 11 1 441  (locating board) in special tool 11 1 065  at this stage.
Fig 4: Identifying Locating Board
G03230056Courtesy 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 Locating Board
G03230057Courtesy 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) .