61 31 310 Replacing brake light switch

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Necessary preliminary tasks:

Unfasten plug connection (1) and disconnect.

Pull brake light switch (2) in direction of arrow out of brake light switch holder (3).

Installation:

Press brake pedal (4) to floor.
Slide brake light switch (2) as far as it will go into brake light switch holder (3).
Grip brake light switch holder (3), slowly return brake pedal (4) to starting position and pull back to stop .

Fig 1: Identifying Brake Light Switch, Plug Connection, Brake Pedal And Switch Holder
Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Removing brake light switch holder (2):

Press brake pedal.

Press catches (1) together and unclip brake light switch holder (2) from bearing block (3).

Fig 2: Identifying Brake Light Switch Holder, Catches And Bearing Block

Courtesy of BMW OF NORTH AMERICA, INC.