LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 2000 >> 328i Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1848 (Integrated Suspension Systems - Repair) >> Pump Assembly With Container >> 37 12... Replacing upper vent line for air supply unit
April 5, 2026: LEMON Manuals is launched! Read the announcement.

37 12... Replacing upper vent line for air supply unit

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Risk of damage!
Extreme cleanliness must be ensured in the connection area of the vent lines during removal and installation. Even the smallest of dirt particles can cause leakage in the air spring system.

Necessary preliminary tasks 

Release screw (1).

Twist filler duct (2) in direction of arrow out of fluid reservoir for windscreen washer unit (3) and remove.

If necessary, release vent line (4) at mounting points (5) from fluid reservoir for windscreen washer unit (3).

Fig 1: Removing Filler Duct From Fluid Reservoir For Windscreen Washer Unit
G06211983Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Press off side panel slightly.

Installation: 

Tightening torque 41 35 7AZ (A-pillar area).

Tightening torque 41 35 8AZ (sill area).

Fig 2: Identifying Side Panel Mounting Screws
G06211984Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect quick-connect coupling (1) and seal lower vent line connection with sealing plug.

Remove vent line (2) from fluid reservoir for windscreen washer unit.

Fig 3: Identifying Quick-Connect Coupling And Vent Line
G04794845Courtesy of BMW OF NORTH AMERICA, INC.