34 52 580 Removing and installing / replacing rear pressure sensor for ACC

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Read and comply with General Information.

After completing work: bleed brake system with DSC.

Press clutch pedal down to floor and secure with pedal support.

NOTE: The pedal support may only be released when the brake lines are reconnected.
This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Fig 1: Locating Pedal Support

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Vehicles with N52 engine:

If necessary, remove heat shield (1).

Installation:

Make sure heat shield is correctly seated.

If necessary, replace heat shield.

Fig 2: Identifying Heat Shield

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Disconnect plug connection (1).

Release pressure sensor (2) and remove.

Installation:

Tightening torque 34 51 12AZ. See 34 51 SLIP CONTROL SYSTEM (ABS, ASC+T, DSC) .

Fig 3: Identifying Plug Connection And Pressure Sensor

Courtesy of BMW OF NORTH AMERICA, INC.