BMW 7 Series: 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 turbocharger (not F04).
- Disconnect plug connection at COOLANT THERMOSTAT.
Pressure converter, cylinders 1-4
Disconnect plug connection (1) on pressure converter.
Installation note: Plug connection (1) must snap audibly into place! Disconnect black vacuum hose at connection (VAC = vacuum reservoir).
Disconnect black/red vacuum hose at connection (OUT= turbocharger vacuum unit).
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Fig. 525: Identifying Black/Red Vacuum Hose And Plug Connection
Unscrew nuts (2).
Tightening torque 11 65 8AZ.
Remove pressure converter.
Pressure converter, cylinders 5-8
Disconnect plug connection (1) on pressure converter.
Installation note: Plug connection (1) must snap audibly into place! Disconnect black vacuum hose at connection (VAC = vacuum reservoir).
Disconnect black/blue vacuum hose at connection (OUT= turbocharger vacuum unit).
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Fig. 526: Identifying Black/Blue Vacuum Hose Connection With Plug Connection
Unscrew nuts (2).
Tightening torque 11 65 8AZ.
Remove pressure converter.
Check activation via BMW diagnosis system.
READ NEXT:
Replacing Left Control Sensor (N63)
Notes
WARNING: Risk of burning!
Only perform this work after engine has cooled down.
Necessary preliminary work
Check function of DME control unit
Switch off ignition
Remove AIR FILTER HOUSING
Un
Replacing Right Control Sensor (N63)
Notes
WARNING: Risk of burning!
Only perform this work after engine has cooled down.
Necessary preliminary work
Check function of DME control unit
Switch off ignition
Remove AIR FILTER HOUSING
Un
SEE MORE:
Aerial/Antenna Diversity
OVERVIEW OF AUDIO COMPONENTS
Fig. 75: Overview Of Audio Components (1 Of 2)
Speaker (in dashboard)
Central Information Display (CID)
DVD changer
DVD player, rear console
Aerial diversity
Speaker (in storage shelf)
Satellite tuner
Amplifier
Central bass speaker
Speaker (door, rear)
Speak
Removing And Installing Electrical Steering Box Active Steering
IMPORTANT: Steering box:
Check connection of steering box for corrosion, clean contacts if necessary.
The steering box must be replaced if the corrosion is too far advanced.
Connecting line:
In the event of moisture/corrosion inside the two plug connections, check the
insulation of the connecting
