11 12 005 Removing and Installing/Sealing Left Cylinder Head Cover (N63)
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Special Tools Required:
- 11 4 470 .
Necessary Preliminary Tasks:
- Remove ACOUSTIC COVER .
- Disconnect NEGATIVE BATTERY TERMINAL .
- Remove Left CHARGE AIR COOLER .
- Remove INTAKE FILTER HOUSING .
- Remove Expansion Tank. See COOLANT EXPANSION TANK, INTERCOOLER EXPANSION TANK, and EXPANSION TANK FOR CHARGE AIR COOLER .
- 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:
Replace 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.