34 52 535 Replacing a rear pulse generator

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove wheels. . See 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 Cable

G04726709

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

G04726710

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, see 34 51 SLIP CONTROL SYSTEM (DSC) .

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

Fig 3: Removing Wheel Speed Sensor And Socket Head Cap Screws

G04726711

Courtesy of BMW OF NORTH AMERICA, INC.