BMW 7 Owners & Service Manuals

BMW 7 Series: Replacing A Rear Pulse Sensor

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

Necessary preliminary tasks

  • Remove rear WHEEL
  • Read and comply with GENERAL INFORMATION.

Open housing cover.

Disconnect plug connection (1).

Installation: Ensure proper locking of plug connector and proper seating of rubber grommets.

Brakes - Repair
Fig. 172: Identifying Plug Connection

Disengage line (1) along marked lines from holders.

Installation: Ensure proper locking of the holders and proper seating of the line in the holders.

Brakes - Repair
Fig. 173: Identifying Disengage Line

Release screw (1).

Withdraw wheel speed sensor (2) from bore hole.

Installation: Tightening torque 34 51 3AZ.

Clean bore for pulse generator and lubricate with Staburags NBU 12/K lubricating grease.

Brakes - Repair
Fig. 174: Identifying Wheel Speed Sensor And Screw

IMPORTANT: Prior to installation, check sensor head for damage and replace if necessary.

REPLACING ONE FRONT PULSE SENSOR

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

Necessary preliminary tasks

  • Remove front WHEEL
  • Read and comply with GENERAL INFORMATION.

Open housing cover.

Disconnect plug connection (1).

Installation: Ensure proper locking of plug connector and proper seating of rubber grommets.

Brakes - Repair
Fig. 175: Identifying Plug Connection

Disengage line (1) along marked lines from holders.

Installation:

Brakes - Repair
Fig. 176: Identifying Disengage Line

Release screw (1) and withdraw pulse generator (2) from bore.

Installation: Tightening torque 34 51 3AZ.

Clean bore for pulse generator and lubricate with Staburags NBU 12/K lubricating grease.

Brakes - Repair
Fig. 177: Identifying Screw And Pulse Generator

IMPORTANT: Prior to installation, check sensor head for damage and replace if necessary.

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.

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