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.
- Remove 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. 458: 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. 459: Identifying Throttle Valve And Holder Screw On Intake Plenum
Assemble engine and vehicle and
Check air intake system for leaks.
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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
Fig. 462: Connection Diagram, Vacuum Activation (N63)
Connection (1) Black to exhaust flaps.
Distribute element (2), vacuum pump/vacuum reservoir (4).
Vacuum line (3) black to vacuum pump.
Vacuu
SEE MORE:
Necessary preliminary work:
Remove CARBON CANISTER.
Unlock and disconnect snap fastener (1).
Release screw (2) and remove dust filter (3).
Installation note:
Check gasket and replace if necessary.
Fig. 44: Identifying Natural Vacuum Leak Detection (NVLD) Dust Filter, Snap
Fastener, And Screw
IMPORTANT: Before removing rear axle support:
In order to avoid damage to vehicle hoist, perform weight compensation on
vehicle.
Load luggage compartment with sand bags.
Necessary preliminary work
Remove REAR AXLE FINAL DRIVE
Remove REAR AXLE SUPPORT
Remove brake lines.
Remove anti-roll bar.
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