34 52 525 Replacing one front pulse generator

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD protection).

Necessary preliminary work:

Unclip line from holder (1).

Open housing cover.

Disconnect plug connection (2).

Installation note:

Make sure the plug connections snaps in correctly and the line is fitted correctly in the holders.

Fig 1: Identifying Line, Holder And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip line from holders (1).

Installation note:

Ensure proper locking of the holders and proper seating of the line in the holders.

Fig 2: Identifying Brake Line And Holders

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) and withdraw pulse generator (2) from bore.

Unclip line from holder (3).

Installation note:

Tightening torque 31 51 3AZ .

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

IMPORTANT: Prior to installation, check sensor head for damage and replace if necessary.

Fig 3: Removing Pulse Generator From Bore

Courtesy of BMW OF NORTH AMERICA, INC.