34 52 525 Replacing one front 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.

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Open plug housing (1), pull plug connection (2) out of bracket and disconnect.

Pull cable with rubber grommet out of holders (3).

Installation:

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

Fig 1: Identifying Plug Housing, Plug Connection And Rubber Grommet

Courtesy of BMW OF NORTH AMERICA, INC.

Release hexagon socket head cap screw (1) and pull wheel speed sensor (2) out of bore.

Installation:

Tightening torque, see 34 51 SLIP CONTROL SYSTEM (DSC) .

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

Fig 2: Identifying Hexagon Socket Head Cap Screw And Wheel Speed Sensor

Courtesy of BMW OF NORTH AMERICA, INC.