IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD protection).
Necessary preliminary tasks
Open housing cover.
Disconnect plug connection (1).
Installation: Ensure proper locking of plug connector and proper seating of rubber grommets.
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.
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.
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
Open housing cover.
Disconnect plug connection (1).
Installation: Ensure proper locking of plug connector and proper seating of rubber grommets.
Fig. 175: Identifying Plug Connection
Disengage line (1) along marked lines from holders.
Installation:
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.
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:
Connect vehicle to BMW diagnosis system.
Select and carry out startup of ICM control unit under Service functions.