64 11 273 Replacing water valve for heater (N63)

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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 Hose Clamps, Plug Connection And Water Valve

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 Rubber Mount And Guide Lug Seated In Holders

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.