34 52 525 Replacing one front 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.

NOTE: Read and comply with GENERAL INFORMATION .

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 Holders

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 34 51 4AZ, 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.