Necessary preliminary tasks

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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 Connection And Plug Housing

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: Pressing Brake Pad Sensor Clip

Courtesy of BMW OF NORTH AMERICA, INC.