34 33 071 Replacing vacuum hose for brake booster (N52 on vacuum pump)
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 BMW 335xi, 2008 BMW 335i, 2008 BMW 328xi, 2008 BMW 328i, and 2008 BMW 323i. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Read and comply with General Information.
- Removing Intake Air Manifold
IMPORTANT:
Before starting work, press the brake pedal to the floor several times to reduce the vacuum pressure in the brake booster.
This makes it easier to detach the vacuum hose.
Unclip vacuum line from fixture (2).
Unfasten hose clip (1).
Release hose clamp (3) and disconnect vacuum line.
Installation:
Replace hose clamps.