34 33 240 Removing and installing diaphragm travel sensor

WARNING: High-voltage system - danger to life!

WARNING: Compliance with the following points is mandatory before beginning work:

Necessary preliminary tasks:

Disconnect plug connection (1).

Push ring spring (2) apart in direction of arrow.

Carefully pull travel sensor (3) in direction of arrow from brake servo.

Fig 1: Pulling Travel Sensor From Brake Servo

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Check sealing ring (1) on travel sensor and replace if necessary.

Fig 2: Identifying Sealing Ring On Travel Sensor

Courtesy of BMW OF NORTH AMERICA, INC.