13 90 500 Replacing tank vent valve (N54)

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Check stored fault messages
Switch off ignition
Remove intake filter housing

Installation location:

The tank vent valve is located at the rear below the intake air manifold.

Unlock plug (1) and remove.

Unlock hose (2) and detach.

Unlock hose (3) on throttle valve assembly and disconnect.

Detach tank vent valve (4) from holder and remove.

Fig 1: Detaching Tank Vent Valve From Holder

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Read out fault memory of DME control unit.
Now clear the fault memory.