Coolant Reservoir: Service and Repair

17 11 100 Removing and installing/renewing coolant expansion tank (M47T2, M57T2, N47, N47S, N57)







Necessary preliminary tasks:
- Drain coolant.







Release and disconnect coolant hoses (1).
Unlock and disconnect plug (2) on coolant level switch.
If fitted, unlock holder (3).
Release screws.
Remove coolant expansion tank (4).

Installation note:
Insert retaining pin in rubber grommet.







Check cooling system for leaks.