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34 52 535 Replacing A Rear Pulse Generator

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IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection). Refer to 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

Necessary Preliminary Tasks: 

Observe safety instructions on raising the vehicle. Refer to 00..... LIFTING VEHICLE WITH A LIFTING PLATFORM .

Open plug housing (1).

Pull plug connection (2) out of mounting and disconnect.

Pull cable out of brackets on swinging arm.

Installation: 

Ensure proper locking of the plug connector and proper seating of the cable in the brackets.

Fig 1: Opening Plug Housing
G03292658Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation: 

Tightening torque, refer to 34 51 6AZ in BRAKES - TIGHTENING TORQUES .

Clean bore hole for pulse generator and grease with Staburags NBU 12/K lubricating grease (refer to OPERATING FLUIDS - BRAKES .

Fig 2: Removing Wheel Speed Sensor
G03292659Courtesy of BMW OF NORTH AMERICA, INC.