34 52 535 Replacing a rear pulse generator

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. 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 Nut, Wheel Arch Trim And Holder

Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.

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, see 34 51 SLIP CONTROL SYSTEM (DSC)

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

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

Courtesy of BMW OF NORTH AMERICA, INC.