34 52 525 Replacing one front pulse sensor

Necessary preliminary tasks:

Open connector housing (1), pull plug connection out of holder and disconnect.

Disengage cable with rubber grommets from holders (2).

Installation note:

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

Fig 1: Identifying Front Pulse Sensor Connector Housing

Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation note:

Tightening torque: 34 51 3AZ .

Clean bore for pulse sensor 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 Screw

Courtesy of BMW OF NORTH AMERICA, INC.