34 33 071 Replacing vacuum hose for brake booster (M57TU / M57T2 / M47T2)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 528xi, 2010 BMW 528i, 2009 BMW 528xi, 2009 BMW 528i, and 2008 BMW 528xi. However, it is still accessible from the selected car via links, so may be relevant.

Read and comply with GENERAL INFORMATION .

IMPORTANT: Before beginning work, fully press the brake pedal several times to reduce the vacuum pressure in the brake booster. This makes it easier to remove the PA pipe.
Non-return valve and PA pipe are welded together and are replaced together as a single unit.

Necessary preliminary tasks:

REMOVE LOWER SECTION OF MICROFILTER HOUSING .

Installation:

Replace hose clamps.

Detach non-return valve (1) from brake booster.

Fig 1: Identifying Brake Booster Non-Return Valve

Courtesy of BMW OF NORTH AMERICA, INC.

Detach vacuum hose from holder (1).

Unfasten hose clip (2).

Detach moulded hose from PA tube.

Installation:

Replace hose clip.

Fig 2: Identifying Holder And Hose Clip

Courtesy of BMW OF NORTH AMERICA, INC.