64 11 274 Replacing water valve for heater

WARNING: This page is about a different car, the 2010 BMW 535xi, 2009 BMW 535xi, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Danger of scalding!
Only perform this work after engine has cooled down.

Necessary preliminary tasks:

DISCONNECT COOLANT HOSES FROM WATER HOSE FOR HEATER .

Unfasten plug connection (1) and disconnect.

Release spring clamps (2) and detach coolant hoses.

Pull out water valve for heater (3) towards top.

Installation note:

Fill and vent cooling system.

Fig 1: Releasing Spring Clamps And Coolant Hoses

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Make sure water valve (1) is correctly seated in grommets (2) and rubber mount (3).

If necessary, replace grommets (2) and rubber mount (3).

Fig 2: Identifying Water Valve, Grommets And Rubber Mount

Courtesy of BMW OF NORTH AMERICA, INC.