BMW 7 Series: 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).
Necessary preliminary tasks
- Remove ignition key
- Disconnect BATTERY NEGATIVE LEAD
- Remove SIDE TRIM PANEL FROM FOOTWELL ON RIGHT A-PILLAR
Fold carpet in footwell at bottom right to one side.
Release screws (1).
Tightening torque 37 14 6AZ.
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Fig. 128: Identifying Footwell Screws
Unlock plug connections (1) in direction of arrow and disconnect.
Remove control unit.
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Fig. 129: Unlocking VDM (With Dynamic Drive) Control Unit Plug Connections
After installation
- Replacement only: Carry out PROGRAMMING/ENCODING
REMOVING AND INSTALLING/REPLACING VERTICAL DYNAMICS MANAGEMENT CONTROL UNIT (VDM)
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION).
Necessary preliminary tasks
- Remove ignition key
- Disconnect BATTERY NEGATIVE LEAD
- Remove SIDE TRIM PANEL from footwell on right A-pillar
Fold carpet in footwell at front right to one side.
Unscrew nuts (1).
Tightening torque 37 14 6AZ.
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Fig. 130: Identifying Footwell Nuts
Unlock plug connections (1) in direction of arrow and disconnect.
Remove control unit.
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Fig. 131: Unlocking VDM Control Unit Plug Connections
After installation
- Replacement only: Carry out PROGRAMMING/ENCODING
READ NEXT:
Removing And Installing/Replacing Dynamic Drive Valve Block
Notes
WARNING: DANGER OF POISONING if oil is ingested/absorbed through the
skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow
Replacing Air Supply System
IMPORTANT: Risk of injury!
Drain the air spring system before carrying out any work on the air supply unit,
air pipes and air spring struts! Danger of injury if this instruction is not
complied with!
SEE MORE:
Removing And Installing/Replacing Right Inlet Camshaft (N63)
Necessary preliminary work
(cylinder bank 1 to 4)
IMPORTANT: The intake camshaft must first be rotated in such a way that
the camshaft is
free from tension when the bearing caps are released (risk of damage).
Remove right CYLINDER HEAD COVER.
Check TIMING.
Remove RIGHT INLET ADJUSTMENT UNIT.
I
Output Shaft
NOTES ON REMOVING AND INSTALLING LOW PROFILE BAND CLAMPS
Notes
IMPORTANT: During removal Low Profile band clamp (dotted line) is
overstretched and must
not be reused!
Fig. 82: Identifying Low Profile Band Clamp (Dotted Line)
Removing
Place special tool 31 5 200 on tabs (1, 2).
NOTE: Make sure that
