Changing oil in transfer case
WARNING: This page is about a different car, the 2006 BMW X3, 2005 BMW X3, and 2004 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
When changing the gear oil, it is necessary to delete the self-adapting wear values in the transfer case control unit.
Use only the approved GEAR OIL .
Failure to comply with this requirement will result in serious damage to the transfer case!
NOTE:
Only change the oil when the transfer box is at normal operating temperature.
Release oil filler plug (1) and oil drain plug (2).
Tightening torque: 33 Nm.
Pour in gear oil up to lower edge of opening for oil filler plug (1).
Installation:
Replace sealing rings.
Clean oil drain plug (2) and screw in.
Pour in gear oil up to lower edge of filler plug (1).
Tighten in filler screw (1).
Tightening torque: 33 Nm.