64 11 262 Removing And Installing/Replacing Auxiliary Water Pump (Automatic A/C High)

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

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

Remove design cover from engine.

Unlock plug connection (1) and disconnect.

Unscrew nut (2).

Fig 1: Identifying Plug Connection And Nut

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Open fast-release couplings and detach water hoses (1) and (2) from auxiliary water pump (3).

Remove auxiliary water pump (3).

Fig 2: Identifying Auxiliary Water Pump And Water Hoses

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Installation:

Guide (1) of auxiliary water pump fixture (2) must be seated exactly in mounting (3).

Fig 3: Identifying Guide, Auxiliary Water Pump Fixture And Mounting

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Replacement:

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

Installation:

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

Fill cooling system. See 17 00 005 DRAINING AND ADDING COOLANT (N62) .

Fig 4: Identifying Water Pump And Water Pump Fixture

Courtesy of BMW OF NORTH AMERICA, INC.