11 12 005 Removing and installing/sealing left cylinder head cover (N63)
Special tools required:
Necessary preliminary tasks:
- Remove ACOUSTIC COVER
- Disconnect NEGATIVE BATTERY TERMINAL
- Remove left CHARGE AIR COOLER
- Remove INTAKE FILTER HOUSING
- Remove expansion tank(s) . See 17 11 100 REMOVING AND INSTALLING/RENEWING COOLANT EXPANSION TANK (N63) and 17 13 020 REMOVING AND INSTALLING/REPLACING INTERCOOLER EXPANSION TANK (N63) .
- Remove coolant pipe from cylinder head cover (E71 only)
- Remove coolant valve for heater feed line
- Disconnect FUEL FEED LINE
- Detach wiring harness for injectors and lay to one side
- Remove IGNITION COILS , cylinders 5-8
- Remove INJECTORS , cylinders 5-8
- Remove HIGH-PRESSURE PUMP
Release bolts in sequence (17 to 1).
Remove cylinder head cover.
Clean sealing surface (1) with special tool 11 4 470 .
Installation note:
Replace seal (2).
Installation note:
Renew profile seal of cylinder head cover.
Installation note:
It is important to join screw (1) for exact positioning of the camshaft sensors.
Fit cylinder head cover.
Position screw (1).
Release screw (1) by 90°.
Secure cylinder head cover in sequence (1 to 17) in two work steps.
Tightening torque 11 12 3AZ .
Assemble engine.