BMW 7 Series: Removing And Installing/Replacing Control Unit For Active Front Steering

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION).

Necessary preliminary work

• Disconnect BATTERY EARTH LEAD
• RELEASE LEFT FRONT SEAT and tilt towards rear
• Remove front left DOOR SILL COVER STRIP
• Remove footwell SIDE TRIM PANEL on A-pillar
• Remove cover of BASS SPEAKER at left front

Fold back front left carpet to one side.

Unscrew nuts (1).

Tightening torque 32 43 1AZ.

Installation note:

Secure grounding strap (2) to screw fastening point.

Fig. 310: Identifying Grounding Strap With Nuts

Release screws (1).

Tightening torque 32 43 2AZ.

Fig. 311: Identifying Control Unit Screws

Disconnect plug connections (1) and remove control unit.

Fig. 312: Identifying Control Unit Plug Connections

After installation

• Replacement only: Carry out PROGRAMMING/ENCODING
• ADJUSTMENT FOR ACTIVE STEERING

REMOVING AND INSTALLING/REPLACING CONTROL UNIT FOR CAMERA-BASED DRIVER ASSISTANCE SYSTEMS (KAFAS)

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION).

Necessary preliminary tasks

• Clamp off BATTERY NEGATIVE LEAD
• Remove both negative battery cables at F03
• Remove trim panel for pedal assembly.

Disconnect plug connection (1).

Release screw (2).

Tightening torque 61 35 2AZ.

Pull control unit (3) out of equipment carrier (4) in direction of arrow.

Make sure control unit (3) is correctly installed in equipment carrier (4).

Fig. 313: Pulling Control Unit Out Of Equipment Carrier

Replacement:

Carry out PROGRAMMING/ENCODING.

Carry out calibration:

• Service function
• Body
• Display and information functions
• Camera-based driver assistance system
• Calibration of lane departure warning

REMOVING AND INSTALLING/REPLACING CONTROL UNIT/MODULE FOR LEFT OR RIGHT SEAT ADJUSTMENT

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

Necessary preliminary work:

• CLAMP OFF BATTERY NEGATIVE LEAD
• Remove both battery earth leads at F03

Unclip cover in upper rail at front (1) in direction of arrow and remove.

Fig. 314: Removing Cover From Upper Rail

Unlock latch mechanisms (1).

Feed out control unit for seat adjustment (2) in direction of arrow.

Fig. 315: Removing Control Unit For Seat Adjustment

Disconnect plug connection (1).

Remove control unit for seat adjustment (2).

Fig. 316: Identifying Control Unit For Seat Adjustment And Plug Connection

Installation note: Make sure mounts (1) and retaining tabs (2) of control unit for seat adjustment (3) are correctly seated.

Fig. 317: Identifying Control Unit For Seat Adjustment, Mounts And Retaining Tabs

Replacement:

Carry out vehicle PROGRAMMING/ENCODING.

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