17 11 100 Removing and installing/replacing coolant expansion tank (M54, N52, N54, N46T)
WARNING: This page is about a different car, the 2009 BMW 528xi, 2009 BMW 528i, 2008 BMW 528xi, and 2008 BMW 528i. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Drain coolant from radiator
Release and disconnect coolant hoses (1).
Release screws.
Raise expansion tank, unlock plug on coolant level switch and disconnect.
Remove coolant expansion tank (2).
Installation:
Insert locating pin in rubber grommet.
Check cooling system for leaks .