1711100 Removing and installing/replacing coolant expansion tank (N45, N45T, N46, N46T, N52, N52K, N51, N53)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary work:
- Drain COOLANT from radiator.
Unlock and disconnect plug on coolant level switch (1).
Release and disconnect coolant hoses (2).
Release screws.
Tightening torque 17 11 3AZ .
Remove coolant expansion tank (3).
Installation note:
Insert retaining pin in rubber grommet.