27 00 270 Change transfer box oil (ATC 45L)

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Special tools required:

00 2 080

IMPORTANT: Use only the approved TRANSMISSION OIL in the transfer box.
Failure to comply with this requirement will result in serious Information damage to the transfer box!

NOTE: Only change oil when transfer box is at normal operating temperature.

Necessary preliminary task:

Remove transmission cross-member . See 22 32 050 REPLACING CROSS MEMBER FOR TRANSMISSION MOUNTING .

Undo oil filler plug (1).

Tightening torque 27 00 11AZ .

Installation note:

Renew oil filler plug with O-ring.

Fig 1: Identifying Oil Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Place oil collecting apparatus underneath.

Use special tool 00 2 080 to draw off and dispose of transmission oil.

Drawn off oil volume ≥ 500 ml.
Observe country-specific waste disposal regulations

Fig 2: Identifying Special Tool (00 2 080)
Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Identifying Special Tool (00 2 080)

Courtesy of BMW OF NORTH AMERICA, INC.