34 35 001 Replacing a brake lining sensor

WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove wheel, refer to 36 10 300 REMOVING OR INSTALLING FRONT OR REAR WHEEL .

IMPORTANT: If a brake lining sensor that has already been ground has to be replaced even though the minimum brake lining thickness has not yet been reached, refer to BRAKES - TECHNICAL DATA , you must observe the following: The new sliding contact must be filed down with a file to the same length as the ground sliding contact.

Open cover (1) on plug housing (3). Unclip lead of brake lining sensor (2) from plug housing (3). Disconnect associated plug connection of lead from brake lining sensor (2).

Fig 1: Disconnecting Brake Lining Sensor Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Feed lead from brake lining sensor (2) out of fixtures.

Press clip (1) together and detach brake lining sensor (2) in direction of arrow from brake caliper (3).

Installation:

Make sure clip (1) and brake lining sensor (2) are correctly seated in brake caliper (3).

Fig 2: Detaching Brake Lining Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Necessary preliminary tasks:

Remove wheel, refer to 36 10 300 REMOVING OR INSTALLING FRONT OR REAR WHEEL

IMPORTANT: If a brake lining sensor that has already been ground has to be replaced even though the minimum brake lining thickness has not yet been reached, you must observe the following: The new sliding contact must be filed down with a file to the same length as the ground sliding contact.

Open cover (1) on plug housing (3).

Unclip lead of brake lining sensor (2) from plug housing (3).

Disconnect associated plug connection of lead from brake lining sensor (2).

Feed lead from brake lining sensor (2) out of fixtures.

Fig 1: Disconnecting Brake Lining Sensor Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Press clip (1) together and detach brake lining sensor (2) in direction of arrow from brake caliper (3).

Fig 2: Detaching Brake Lining

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Make sure clip (1) and brake lining sensor (2) are correctly seated in brake caliper (3).