BMW X5: Removing And Installing/Replacing Dynamic Drive Control Unit

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).

Necessary preliminary tasks:

• Disconnect battery negative lead.
• Remove side cover on instrument panel.

Disconnect plug connection (1).

Release screw (2).

Tightening torque 37 14 8AZ, see 37 14 ELECTRIC COMPONENTS

Remove Dynamic Drive control unit (3) from side.

Fig. 60: Identifying Dynamic Drive Control Unit And Screw

Installation:

Insert control unit (1) with lug (2) into corresponding opening in support tube. Engagement stud (3) must rest correctly in opening of lug (2).

Fig. 61: Identifying Control Unit With Lug

After installation:

• Replacement only: Carry out programming/coding.
• Carry out steering angle sensor adjustment/adjustment for active front steering.
• Only when replacing / programming / coding: Carry out initial DYNAMIC DRIVE operation.

REPLACING FRONT RIDE-HEIGHT SENSOR

IMPORTANT: Observe safety instructions for raising the vehicle.

NOTE: Jointed rod on upper control arm, see 37 14 5AZ in 37 14 ELECTRIC COMPONENTS

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).

Necessary preliminary tasks:

• Detach coolant expansion tank and place to one side.

NOTE: Level switch can slip out when coolant expansion tank is removed.

Release screw (1).

Installation:

Align ride-height sensor holder by means of lug (2) to opening under screw (1).

Tightening torque, see 37 14 1AZ in 37 14 ELECTRIC COMPONENTS

Fig. 62: Identifying Screw

Disconnect plug connection (1).

Release nut (2) and disconnect jointed rod.

Installation:

Sensor lever (3) must point from ride-height sensor to left front wheel.

Replace self-locking nut.

Tightening torque, see 37 14 4AZ in 37 14 ELECTRIC COMPONENTS

Fig. 63: Identifying Plug Connection And Lever

Release screws (1) and remove holder (2).

Tightening torque, see 37 14 3AZ in 37 14 ELECTRIC COMPONENTS

Fig. 64: Identifying Screws And Holder

After installation:

• Carry out ride-height-calibration.
• Check headlight adjustment, correct if necessary.

REPLACING REAR RIDE-HEIGHT SENSOR

IMPORTANT: Observe safety instructions for raising the vehicle.

NOTE: Ride-height sensor holder on rear axle carrier, see 37 14 2AZ in 37 14 ELECTRIC COMPONENTS

Jointed rod on swinging arm, see 37 14 6AZ in 37 14 ELECTRIC COMPONENTS

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).

Disconnect plug connection (1).

Release nut (2) and disconnect jointed rod.

Installation:

Sensor lever (3) must point from ride-height sensor to respective rear wheel.

Replace self-locking nut.

Tightening torque, see 37 14 4AZ in 37 14 ELECTRIC COMPONENTS

Fig. 65: Identifying Plug Connection And Nut

Release screws (1) and remove ride-height sensor (2).

Tightening torque, see 37 14 3AZ in 37 14 ELECTRIC COMPONENTS

Fig. 66: Identifying Ride-Height Sensor And Screws

After installation:

• Carry out ride-height-calibration.
• Check headlight adjustment, correct if necessary.

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