27 00... Replenishing/Changing Transfer Box Oil (ATC 700)

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

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

Necessary preliminary tasks:

Remove UNDERBODY PROTECTION .
If necessary, remove exhaust system.
Remove heat shields.

Checking/correcting transfer box oil level:

Undo oil filler plug (1).

Check transfer box oil level.

If necessary, pour in gear oil up to lower edge of opening for oil filler plug (1).

Installation:

Tightening torque: 27 00 11AZ .

Replace sealing ring.

Fig 1: Transfer Box Oil Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Changing transfer box oil:

Place oil collecting apparatus underneath.

Remove oil drain plug (1).

Drain and dispose of gear oil.

NOTE: Observe country-specific waste-disposal regulations.

Replace sealing ring, screw in oil drain plug (1) and tighten down.

Tightening torque: 27 00 11AZ .

Fig 2: Oil Drain Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Undo oil filler plug (1).

Pour in gear oil up to lower edge of opening for oil filler plug (1).

Tightening torque: 27 00 11AZ .

Replace sealing ring.

Fig 3: Transfer Box Oil Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.