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

WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. 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:

Remove TRIM PANEL FOR COVER ON FRAME SIDE MEMBER on right
Remove FRONT RIGHT WHEEL ARCH COVER (REAR SECTION) .
Remove FRONT RIGHT AUXILIARY TURN INDICATOR LIGHT

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: Identifying Screw, Filler Duct, Vent Line, Mounting Points And Windscreen Washer Unit

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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 Screws

Courtesy 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

Courtesy of BMW OF NORTH AMERICA, INC.