BMW 7 Owners & Service Manuals

BMW 7 Series: Electronic Power Steering

ADJUSTMENT/INITIAL OPERATION FOR ACTIVE FRONT STEERING

NOTE: Adjustment/start-up of the active steering must be carried out:

  • Before adjustment work on the front axle/steering
  • After work on the steering column
  • After replacement of following components:
    • Active front steering control unit
    • ICM control unit
    • Steering-column switch cluster (SZL)
    • Steering gear

Connect vehicle to BMW diagnosis system.

Select and carry out initial operation/adjustment for active front steering under Service functions.

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.

Electronic Power Steering
Fig. 180: Identifying Strap And Nut

Release screws (1).

Tightening torque 32 43 2AZ.

Electronic Power Steering
Fig. 181: Identifying Screws

Disconnect plug connections (1) and remove control unit.

Electronic Power Steering
Fig. 182: Identifying Control Unit Plug Connections

After installation

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

STARTUP OF ICM CONTROL UNIT

NOTE: Startup of ICM control unit must be carried out:

  • After replacement or removal and installation of ICM control unit

Connect vehicle to BMW diagnosis system.

Select and carry out startup of ICM control unit under Service functions of BMW scan tool.

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