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.
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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
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
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Notes
Release latch mechanism (1) on operating unit (2) using special tool 64 1 020. At same time carefully lever out
operating unit (2) using special tool 00 9 317.
Disconnect plug connection behind and remove operating unit (2).
Fig. 208: Releasing Latch Mechanism On Operating Unit Using Special
Necessary preliminary tasks
Remove EMPTY HOUSING for roof-mounted aerial
Release screw (1).
Slide roof-mounted aerial (2) in direction of arrow and feed out towards top.
Fig. 55: Identifying Screw And Roof-Mounted Aerial
Disconnect plug connections (1) and remove aerial (2).
Retaining lug (3)