64 11 262 Removing and installing/replacing auxiliary water pump
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 528xi, 2010 BMW 528i, 2009 BMW 528xi, 2009 BMW 528i, and 2008 BMW 528xi. 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.
Only perform this work after engine has cooled down.
Necessary preliminary tasks:
- If necessary, remove intake filter housing. See Microfilter .
- Disconnect coolant hoses from auxiliary water pump. Installing special tool 13 3 010 to water hoses which are located in the upper area of the cooling system will prevent a large-scale escape of coolant.
Unlock fast-release couplings (1) and detach coolant hoses from auxiliary water pump (4).
Installation:
Follow instructions for working on cooling system. See 17 00... INSTRUCTIONS FOR WORKING ON COOLING SYSTEM .
Fill and vent cooling system. See 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR LEAKS (N52) .
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).
Installation:
Make sure auxiliary water pump (2) is correctly seated in auxiliary water pump fixture (1).