64 11 274 Replacing water valve for heater

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. 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:

Fill and vent cooling system.

Fig 1: Locating Spring Clamps And Coolant Hoses

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

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 Seating

Courtesy of BMW OF NORTH AMERICA, INC.