BMW 7 Series: Connection Diagram, Vacuum Activation (N63)
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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.
- Vacuum reservoir (4) with three connections.
- Connection, vacuum unit (wastegate), bank 2, cylinders 5 to 8.
- Connection, vacuum unit (wastegate), bank 1, cylinders 1 to 4.
- Vacuum hose (7) black/blue to vacuum unit (5) connection to pressure converter (OUT) bank 2 cylinders 5 to 8.
- Vacuum hose black to vacuum reservoir connection to pressure converter (VAC) bank 2 cylinders 5 to 8.
- Vacuum hose (9) black/red to vacuum unit (6) to pressure convert (OUT) bank 1 cylinder 1 to 4.
- Vacuum hose black to vacuum reservoir connection to pressure converter (VAC) bank 1 cylinders 1 to 4.
REMOVING AND INSTALLING/RENEWING ELECTRIC CHANGEOVER VALVE ON EXHAUST TURBOCHARGER, RIGHT (N63)
Necessary preliminary work
- Remove right TURBOCHARGER.
Release screws (1).
Remove electric changeover valve (2).
Installation note: Replace O-ring.
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Fig. 463: Identifying Electric Changeover Valve And Screws
Assemble engine.
Follow diagnosis instruction.
- Complete vehicle
- Powertrain
- Engine electrical system
- Air supply
- Charging pressure control
REMOVING AND INSTALLING/RENEWING HEAT SHIELD AT BOTTOM (N63)
Necessary preliminary work
- Disconnect the BATTERY CABLE FROM THE NEGATIVE TERMINAL.
- Remove FAN COWL with electric fan.
- Remove the ALTERNATOR (not F04).
- Remove both exhaust turbochargers.
- Remove both exhaust manifolds.
Release screws (1).
Tightening torque 11 65 3AZ.
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Fig. 464: Identifying Screws
Release screws (1).
Tightening torque 11 65 3AZ.
Remove heat shield (2) towards top.
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Fig. 465: Identifying Screws And Heat Shield
Release screws (1).
Tightening torque 11 65 3AZ.
IMPORTANT: Risk of interchange on replacement of the heat shield.
Other shields are installed in the N63H and S63 engines.
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Fig. 466: Identifying Heat Shield Screws
Release front screws on heat shield (1).
Tightening torque 11 65 3AZ.
Remove heat shield (1) towards top.
IMPORTANT: Risk of interchange on replacement of the heat shield.
Other shields are installed in the N63H and S63 engines.
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Fig. 467: Identifying Front Screws On Heat Shield
Assemble engine.
READ NEXT:
Removing And Installing/Renewing Heat Shield At Top (N63)
Necessary preliminary work
Remove both INTAKE FILTER HOUSINGS.
Remove both control sensors.
Release screws (1).
Lift out holder.
Fig. 468: Identifying Holder Screws
Release screw (2).
Tighteni
Removing And Installing/Replacing Electric Changeover Valve On
Exhaust Turbocharger, Left (N63)
Necessary preliminary work
Remove left TURBOCHARGER.
Release screws (1).
Remove electric changeover valve.
Installation note:
Replace O-ring.
Fig. 475: Identifying Electric Changeover Valve Scre
Removing And Installing/Replacing Exhaust Turbocharger, Right,
Cylinders 1-4 (N63)
Notes
IMPORTANT: Risk of fire if oil lines are leaking.
Risk of mixing up vacuum hoses.
Necessary preliminary work
Remove CATALYTIC CONVERTER , cylinders 1-4
Disconnect plug connection (1) on elec
SEE MORE:
Electrical Components Wear Indicator
REPLACING A BRAKE PAD SENSOR (FRONT)
IMPORTANT: The brake pad wear sensor must be replaced once it has been
removed (brake
pad wear sensor loses its retention capability in the brake pad).
If an already ground brake pad wear sensor has to be replaced although the
minimum brake pad thickness has no
Using this Owner's Manual
Orientation
The fastest way to find information on a particular
topic is by using the index.
An initial overview of the vehicle is provided in
the first chapter.
Validity of the Owner's Manual
Production of the vehicle
At the time of production at the plant, the printed
Owner's Manual is the most c
