64 11 273 Replacing water valve for heater

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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. See INSTRUCTIONS FOR DISASSEMBLY/ASSEMBLY OF COOLANT HOSE FAST-RELEASE COUPLINGS .

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 Rubber Mounts And Frame Side Member

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and vent cooling system , see 17 00 008 DRAINING AND ADDING COOLANT IN RADIATOR (N62TU, N63) and check for leaks, see 17 00 009 CHECKING COOLING SYSTEM FOR WATER LEAKS , or 17 00 005 DRAINING AND ADDING COOLANT (N54) , 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR WATER LEAKS (N54) .