34 52 535 Replacing a rear pulse sensor

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks

Remove WHEELS .
Read and comply with GENERAL INFORMATION .

Slacken nut (1).

Pull wheel arch trim (2) gently to one side.

Disengage cable from holders (3).

Fig 1: Identifying Wheel Arch Trim With Nut

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Disconnect plug connection (1).

Installation:

Ensure proper locking of the plug connector and proper seating of the cable in the brackets.

Fig 2: Identifying Plug Connection

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Disengage cable from holders (1).

Unfasten socket head cap screw (2).

Withdraw wheel speed sensor (3) from bore hole.

Installation:

Tightening torque 34 51 4AZ .

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

Fig 3: Identifying Wheel Speed Sensor, Socket Head Cap Screw And Holder Cable

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IMPORTANT: Check sensor head prior to installation for external damage, replacing if necessary.