64 11 273 Replacing Water Valve For Heater

WARNING: This page is about a different car, the 2010 BMW X5, 2009 BMW X5, 2008 BMW X5, and 2007 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Scalding hazard!
Work on the cooling system may only be carried out when it has cooled down.
Follow instructions for working on cooling system! See 17 00 ... INSTRUCTIONS FOR WORKING ON COOLING SYSTEM .

NOTE: Disconnect coolant hoses on water valve.

Recycling

Coolant emerges when coolant lines are detached. Have a suitable collecting container ready.

Catch and dispose of escaping coolant.

Observe country-specific waste-disposal regulations.

NOTE: Engine is shown removed for purposes of clarity.

Disconnect plug connection (1).

Release hose clamps (2, 3) and detach coolant hoses.

Installation:

Do not mix up connections of coolant hoses.

Replace damaged coolant hoses.

Fig 1: Identifying Plug Connection And Hose Clamps

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

To avoid the buildup of noise, make sure that the rubber mounts (1) on the water valve are securely seated in the mounting on the frame side member (2).

Fig 2: Identifying Mounting On Frame Side Member

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and vent cooling system and check for leaks