34 35 001 Replacing a brake pad sensor (front)

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IMPORTANT: The brake pad wear sensor must be replaced once it has been removed (brake pad wear sensor loses its retention capability in the brake pad).

If a brake pad sensor that has already been ground has to be replaced even though the minimum brake pad 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.

Necessary preliminary tasks

Remove WHEEL

Open plug housing (1).

Disconnect plug connection (2).

Feed brake pad sensor out of holders (3).

Fig 1: Identifying Brake Pad Sensor Holders, Plug Housing And Connection

Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation:

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

Fig 2: Detaching Brake Pad Sensor

Courtesy of BMW OF NORTH AMERICA, INC.