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34 52 535 Replacing a rear pulse sensor

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

Necessary preliminary tasks: 

Open housing cover.

Disconnect plug connection (1).

Installation note: 

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

Fig 1: Identifying Plug Connection
G06890085Courtesy of BMW OF NORTH AMERICA, INC.

Disengage line (1) along marked lines from holders.

Installation note: 

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

Fig 2: Identifying Disengage Line
G06890086Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Withdraw wheel speed sensor (2) from bore hole.

Installation note: 

Tightening torque 34 51 3AZ .

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

Fig 3: Identifying Wheel Speed Sensor And Screw
G06890087Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Prior to installation, check sensor head for damage and replace if necessary.