Checking/correcting front differential oil level
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2012 BMW 328xi, 2011 BMW 328xi, 2010 BMW 328xi, 2009 BMW 328xi, and 2008 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
Undo oil filler plug (1).
Check front differential oil level.
If necessary, pour in front differential oil up to lower edge of opening for oil filler plug (1).
Installation:
Replace sealing ring.
Tightening torque 31 50 2AZ .