BMW 7 Series: Initial Operation With Test Run Of Dynamic Drive

NOTE: The Service function Initial operation of Dynamic Drive must be carried out after:

• Work on the Dynamic Drive system which involved opening hydraulic lines
• Replacement/Programming/Coding Dynamic Drive control unit (ICM - V - High)

IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.

Ensure that the cap is fully screwed in prior to the fill level check.

NOTE: To avoid mix-ups when filling with hydraulic fluid, mark the fluid reservoirs or their caps with identification marks.

CHF Pentosin CHF11S

Fig. 115: Identifying CHF Pentosin CHF11S

Bleeding hydraulic circuit

1. Thoroughly clean fluid reservoir and its immediate surroundings with cap closed.

2. Check and correct fill level

NOTE: The fill level must not be above the "MAX" mark (80ºC) with the engine at normal operating temperature.

Hydraulic fluid: see OPERATING FLUIDS.

3. Start engine.

4. Turn steering wheel left and right twice in each case up to full lock; if necessary, top up hydraulic fluid (e.g. if hydraulic system is completely drained).

5. Move steering wheel to straight-ahead position and turn off engine.

6. Check and correct fill level with engine stopped.

7. Check reworked components on hydraulic system for leaks.

Performing initial operation with test run

WARNING: Risk of injury! Vehicle executes heavy rolling motions during initial operation! Therefore observe the following instructions without fail:

• Do not allow any persons to remain in the vehicle or directly on the vehicle
• Keep the vehicle doors closed.
• Maintain a safety distance around the vehicle of 1 meter to persons, objects, walls etc.
• Vehicle must be standing horizontally with all wheels on a firm surface
• Do not under any circumstances carry out initial operation on a lifting platform, wheel alignment analyzer or similar!
• Avoid heavy loads

1. Check load; if necessary, remove load from the vehicle.

2. Bring engine up to operating temperature.

3. Connect vehicle to DIS or MoDiC.

4. Start initial operation in SERVICE FUNCTIONS. Follow instructions in Diagnosis and Information System.

5. Check fill level again with engine stationary and if necessary top up oil to 80º mark.

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.

Fig. 116: Identifying Footwell Screws

Unlock plug connections (1) in direction of arrow and disconnect.

Remove control unit.

Fig. 117: Unlocking 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.

Fig. 118: Identifying Footwell Nuts

Unlock plug connections (1) in direction of arrow and disconnect.

Remove control unit.

Fig. 119: Unlocking Vertical Dynamics Management Control Unit Plug Connections

After installation

• Replacement only: Carry out PROGRAMMING/ENCODING

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