LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 291 (Transfer Case - Repair Instructions) >> Transfer Case, General >> 27 00... Topping up transfer box oil (ATC 45L)

27 00... Topping up transfer box oil (ATC 45L)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Use only the approved TRANSMISSION OIL in the transfer box.
Failure to comply with this requirement will result in serious damage to the transfer box!
NOTE: Only change oil when transfer box is at normal operating temperature.

Necessary preliminary tasks: 

Check transfer box oil level, correct: 

Undo oil filler plug (1).

Check transfer case oil level.

If necessary pour in transmission oil up to the lower edge of the oil filler plug opening (1).

Installation note: 

Replace oil filler plug (1).

Tightening torque 27 10 2AZ .

Fig 1: Identifying Oil Filler Plug
G09946808Courtesy of BMW OF NORTH AMERICA, INC.