34 33 505 Removing and installing/replacing brake booster

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, 2007 BMW X3, and 2006 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Read and comply with General Information, see 34 00 ... General Information .
Remove brake master cylinder, see 34 31 505 Removing and installing/replacing master brake cylinder for DSC .
Remove left footwell trim, see 51 45 185 REMOVING AND INSTALLING/REPLACING TRIM FOR PEDAL ASSEMBLY .

Detach locking clip (1) from brake pedal, disengage and pull out locking pin.

Unscrew nuts (2).

Installation:

Replace self-locking nuts.

Fig 1: Locking Clip And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Carefully pull brake booster (1) out of bulkhead and tilt out.

IMPORTANT: Do not use any force when removing and installing the brake unit; the brake unit can be damaged under certain circumstances.

Fig 2: Pulling Brake Booster

Courtesy of BMW OF NORTH AMERICA, INC.

Tilt microfilter housing cover (2) upwards and lift out brake booster (1) in direction of arrow.

Fig 3: Tilting Microfilter Housing Cover

Courtesy of BMW OF NORTH AMERICA, INC.