27 00... Replenishing/changing transfer case oil (ATC 300): Notes
WARNING: This page is about a different car, the 2012 BMW 328xi, 2011 BMW 328xi, 2010 BMW 328xi, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Use only the approved gear oil in the transfer case. See TRANSFER BOX - OPERATING FLUIDS
.
Failure to comply with this requirement will result in serious damage to the transfer case!
Failure to comply with this requirement will result in serious damage to the transfer case!
NOTE:
Only change the oil when the transfer case is at normal operating temperature.