34 52 535 Replacing a rear pulse sensor

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

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 note:

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

Fig 1: Identifying Plug Connection

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Disengage line (1) along marked lines from holders.

Installation note:

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

Fig 2: Identifying Brake Pad Sensor Line

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Release screw (1).

Withdraw wheel speed sensor (2) from bore hole.

Installation note:

Tightening torque 34 51 3AZ .

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

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

Fig 3: Identifying Wheel Speed Sensor And Screws

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