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Home >> BMW >> 2009 >> X5 48i >> Repair and Diagnosis >> External Pages >> Different car >> Section 403 (Heating And Air Conditioning - Repair) >> Heater with Operation >> 64 11 262 Removing and installing/replacing auxiliary water pump

64 11 262 Removing and installing/replacing auxiliary water pump

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WARNING: Danger of scalding! Only perform this work after engine has cooled down.

Necessary preliminary tasks: 

Unlock fast-release couplings (1) and detach coolant hoses from auxiliary water pump (4).

Installation: 

Follow instructions for working on cooling system, refer to 17 00 ... INSTRUCTIONS FOR WORKING ON COOLING SYSTEM. .

Fill and vent cooling system, refer to 17 00 005 DRAINING AND ADDING COOLANT (N62) .

Fig 1: Filling And Vent Cooling System
G03288321Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, release expander rivet (2).

Unfasten plug connection (3) and disconnect.

Installation: 

Ensure correct routing of cables.

Remove auxiliary water pump (4) in direction of arrow.

Replacement: 

Detach auxiliary water pump fixture (1) in direction of arrow from auxiliary water pump (2).

Fig 2: Detaching Auxiliary Water Pump Fixture
G03288322Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Make sure auxiliary water pump (2) is correctly seated in auxiliary water pump fixture (1).