64 11 273 Replacing water valve for heater (N63)

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

17 2 050

WARNING: Risk of burning!
Work on the cooling system may only be carried out when it has cooled down.

NOTE: Clamp off coolant hoses on water valve.

Recycling

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

Catch and dispose of escaping coolant.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks

Remove LEFT INTAKE SILENCER HOUSING .
Remove LEFT SUSPENSION CROSS-BRACE .

NOTE: For purposes of clarity, graphic shows engine removed.

Release hose clips (1) with special tool 17 2 050 and remove coolant hoses.

Disconnect plug connection (2).

Pull water valve (3) upwards out of holders.

Installation note:

Do not mix up connections of coolant hoses.

Replace damaged coolant hoses.

Fig 1: Identifying Water Valve, Plug Connection And Hose Clips

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Make sure rubber mount (1) and guide lug (2) are securely seated in holders (3) on wheel arch body.

Fig 2: Identifying Wheel Arch Body Holders, Rubber Mount And Guide Lug

Courtesy of BMW OF NORTH AMERICA, INC.

After installation

Fill and vent cooling system . See 17 00 005 DRAINING AND ADDING COOLANT (N63) or 17 00 039 VENTING AND FILLING COOLING SYSTEM WITH VACUUM FILLING UNIT and check for water leaks.