64 11 262 Removing And Installing/Replacing Auxiliary Water Pump (Automatic A/C High)
WARNING: This page is about a different car, the 2005 BMW 760Li, 2004 BMW 760i, 2004 BMW 760Li, and 2003 BMW 760Li. 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.
Unlock plug connection (1) and disconnect.
Unscrew nut (2).
Open fast-release couplings and detach water hoses (1) and (2) from auxiliary water pump (3).
Remove auxiliary water pump (3).
Installation:
Guide (1) of auxiliary water pump fixture (2) must be seated exactly in mounting (3).
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).
Filling and bleeding the cooling system.