BMW 7 Series: Removing And Installing/Replacing Control Unit For Air Supply System
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION).
Necessary preliminary tasks
- Remove ignition key
- Disconnect BATTERY NEGATIVE LEAD
- Remove RIGHT LUGGAGE COMPARTMENT TRIM PANEL
Unlock plug connections (2) and disconnect.
Remove control unit (1).
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Fig. 120: Identifying Air Supply Control Unit With Plug Connections
After installation
- Replacement only: Carry out PROGRAMMING/CODING
- Replacement only: Carry out RIDE-HEIGHT CALIBRATION
REMOVING AND INSTALLING/REPLACING CONTROL UNIT FOR REAR AXLE SLIP CONTROL
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION).
Necessary preliminary tasks
- REMOVE BATTERY
Unlock plug connection (1) on control unit (2) and disconnect.
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Fig. 121: Identifying Rear Axle Slip Control Unit With Plug Connections
Release nut (1) and remove control unit (2).
Tightening torque 33 34 5AZ.
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Fig. 122: Identifying Rear Axle Slip Control Unit With Mounting Nuts
After installation
- Replacement only: Carry out PROGRAMMING/ENCODING
REPLACING FRONT LEFT OR RIGHT RIDE-HEIGHT SENSOR
IMPORTANT: Observe SAFETY INSTRUCTIONS for raising the vehicle
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION).
Unfasten plug connection (1) and disconnect.
Release nut (2) and disconnect jointed rod.
Tightening torque 37 14 4AZ.
Release screw (3) and remove ride-height sensor (4).
Tightening torque 37 14 2AZ.
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Fig. 123: Identifying Front Left/Right Ride-Height Sensor Plug Connections
With Mounting Nuts And
Screws
Replacement: Release screws (1). Remove bracket (2) from ride-height sensor.
Tightening torque 37 14 3AZ.
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Fig. 124: Identifying Front Left/Right Ride-Height Sensor Plug Connections
With Brackets And Screws
After installation
- Carry out RIDE-HEIGHT CALIBRATION
- Check HEADLIGHT ADJUSTMENT , correct if necessary
READ NEXT:
Replacing Rear Left Or Right Ride Height Sensor
IMPORTANT: Observe SAFETY INFORMATION for raising the vehicle
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DISCHARGE (ESD PROTECTION).
Unfasten plug connection (1) and dis
Electronic Damping Force Adjustment
REMOVING AND INSTALLING/REPLACING VERTICAL DYNAMICS MANAGEMENT
CONTROL UNIT (VDM WITH DYNAMIC DRIVE)
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DISCHARGE (ESD PROTECTION
SEE MORE:
Butt Connector For Repairing A Plug Connection
Notes
IMPORTANT:
Identify cause of damage (e.g. sharp-edged body parts, faulty
electrical
loads, jammed mechanisms, corrosion caused by ingress of water, etc.).
Read out fault memory
Eliminate cause of damage.
Disconnect battery negative terminal
Make sure that no safety-related system acco
Control Unit Box
REMOVING AND INSTALLING/REPLACING ELECTRONICS BOX
IMPORTANT: Read and comply with notes on protection against electrostatic
damage (ESD
protection).
NOTE: Follow instructions for removing and installing CONTROL UNITS !
Necessary preliminary work
Read fault memory.
Disconnect BATTERY EARTH LEAD.
