Engine - Repair (M54): Overhaul BMW X5 E53 рестайлинг

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

Special tools required

1. 00 1 490
2. 11 0 192
3. 11 0 342
4. 11 0 343
5. 11 0 345
6. 11 1 045
7. 11 1 065
8. 11 1 067
9. 11 1 071
10. 11 1 441
11. 11 1 442

(cylinder head removed)

If necessary, remove coolant thermostat.

Screw on special tool 11 1 442.

Scheme 977

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

Scheme 978

Provide special tools for disassembling cylinder head

1. special tool 11 1 071
2. special tool 11 1 067
3. special tool 11 0 192
4. special tool 11 1 045
5. special tool 11 0 342
6. special tool 11 0343
7. special tool 11 0345
8. special tool 11 1 441

Scheme 979

Assemble special tools.

Note. Do not install special tool 11 1 441 (locating board) in special tool 11 1 065 at this stage.

Scheme 980

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

Scheme 981

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) .