27 00 270 Change transfer box oil (ATC 35L)

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required

00 2 080

IMPORTANT:

Use only the APPROVED 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:

Remove TRANSFER BOX .

Place oil collecting apparatus underneath.

Drain and dispose of the transmission oil using the transmission breather (2).

Observe country-specific waste disposal regulations

NOTE: Do not drain transmission oil through the oil filler plug because complete emptying cannot be guaranteed using the oil filler plug!

Fig 1: Identifying Transmission Breather

Courtesy of BMW OF NORTH AMERICA, INC.

Install TRANSFER BOX .

Undo oil filler plug (1).

Tightening torque 27 10 2AZ .

Use special tool 00 2 080 to top the transmission oil up to the lower edge of the filler screw opening.

Installation note:

Renew oil filler plug with O-ring.

Fig 2: Identifying Oil Filler Plug And Special Tool 00 2 080

Courtesy of BMW OF NORTH AMERICA, INC.