64 11 273 Replacing water valve for heater (N63): Notes

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. 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.