BMW 7 Series: Removing And Installing/Replacing Left Intake Plenum (N63)
Necessary preliminary work
- Remove left INJECTION PIPE.
- Remove THROTTLE VALVE.
- Release screws on intake plenum from above without fail before lowering front axle.
- Secure ENGINE in installation position.
- Lower front axle, releasing screws on engine mount first.
- Release power steering pump, if installed, and set aside.
- UNIVERSAL JOINT with corrugated tubing.
Detach engine ventilation hose (1).
Disconnect connector.
Unscrew nuts (2).
Tightening torque: 11 61 1 AZ.
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Fig. 516: Identifying Engine Ventilation Hose And Nuts
Release THROTTLE VALVE (1).
Release holder screw (2) on intake plenum.
Tightening torque: 11 61 2AZ.
Feed out intake plenum towards rear.
Installation note: Replace all profile seals.
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Fig. 517: Identifying Throttle Valve Assembly (N63) And Holder Screw On
Intake Plenum
Assemble engine and vehicle and Check air intake system for leaks.
REMOVING AND INSTALLING/REPLACING PRESSURE ACCUMULATOR (N63)
Necessary preliminary work
- Remove both exhaust turbochargers.
- Remove both exhaust manifolds.
- Remove HEAT SHIELD at bottom
Release banjo bolt (1).
Tightening torque 11 42 3AZ.
Installation note:
Replace sealing ring
Release screw (3) on engine oil line.
Remove engine oil line (2).
Release screws (3) on vacuum reservoir (4).
Tightening torque 11 65 6AZ.
Remove vacuum reservoir (4).
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Fig. 518: Identifying Banjo Bolt, Screws And Vacuum Reservoir
Check VACUUM CONNECTIONS for correct routing.
Check VACUUM SYSTEM FOR LEAKS.
Assemble engine.
REMOVING AND INSTALLING/REPLACING RIGHT INTAKE PLENUM (N63)
Necessary preliminary work
- Remove right INJECTION PIPE.
- Remove THROTTLE VALVE.
- Release screws on intake plenum from above without fail before lowering front axle.
- Secure ENGINE in installation position.
- Lower FRONT AXLE , releasing screws on engine mount first.
- Release A/C compressor and place to one side.
Detach engine ventilation hose (1).
Disconnect connector.
Unscrew nuts (2).
Tightening torque: 11 61 1 AZ.
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Fig. 519: Identifying Engine Ventilation Hose And Nuts
Remove THROTTLE VALVE (2).
Release screw (1).
Tightening torque: 11 61 2 AZ.
Feed out intake plenum towards rear.
Installation note: Replace all profile seals.
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Fig. 520: Identifying Screw And Throttle Valve
Assemble engine and vehicle.
Check air intake system for leaks.
READ NEXT:
Vacuum Pump
REMOVING AND INSTALLING/REPLACING VACUUM PUMP (N63)
IMPORTANT: Installation note:
Due to the risk of damage to the engine gaskets/seals and the lack of brake
boosting, make sure before starting the en
El.Valve For Exh. Gas Recirculation
REPLACING BOTH PRESSURE CONVERTERS FOR TURBOCHARGER (N63)
Necessary preliminary work
Partially release charge air cooler EXPANSION TANK.
Partially release AUXILIARY WATER PUMP for exhaust turbochar
SEE MORE:
System Components
The Steering Column Switch Cluster as Standard Equipment
The steering column switch cluster (SZL) consists of, among other things, the
following components:
Electronic steering column switch cluster module
Coil-spring assembly
Steering-column switch for turn indicators
Steering column switch f
Removing And Installing/Replacing Cooling Coil For Power Steering
(N63, N74)
WARNING: Danger of scalding!
Only perform this work after engine has cooled down.
IMPORTANT: When working on the oil and cooling circuit, protect the
alternator against
dirt/contaminants.
Cover alternator with suitable materials.
Failure to comply with this procedure may result in an alternator ma
