34 52 525 Replacing one front pulse sensor

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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 And Plug Connection

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

Installation:

Tightening torque 34 51 4AZ .

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

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

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

Courtesy of BMW OF NORTH AMERICA, INC.