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 Wheel Speed Sensor Plug Housing And Connection

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 .

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 Socket Head Cap Screw

Courtesy of BMW OF NORTH AMERICA, INC.