Remove the transfer box (ATC 13-1)

Preliminary work 

• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING REAR UNDERBODY PROTECTION .
• Refer to REMOVING TANK COVER ON LEFT AND RIGHT .
• Refer to REMOVING THE STIFFENING PLATE .
• Refer to REMOVING CENTER STIFFENING PLATE .
• Refer to REMOVING THE UNDERBODY PLANKING OF THE TRANSMISSION ON THE SIDE .
• Refer to IF INSTALLED: REMOVING THE REAR AXLE COVER .
• Refer to REMOVING THE REAR DIFFUSER .
• Refer to REMOVING COMPLETE EXHAUST SYSTEM .
• Refer to REMOVING THE HEAT SHIELDS .
• Refer to REMOVING THE RETAINING PLATES .
• Refer to PARTIALLY LOOSENING THE PROP SHAFT .
• Refer to IF INSTALLED: RELEASING THE TRANSMISSION BEARING SUPPORT .
• Refer to REMOVING TRANSMISSION CROSS-MEMBER .
• Refer to RELEASING THE FRONT PROP SHAFT ON THE FRONT AXLE TRANSMISSION .

• Unscrew the bolt (1) and disconnect the ground strap (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Disconnect connector (1) from transfer box control unit (longitudinal torque distribution) (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unscrew the screw connection (arrows) of the transfer box.
• Pull off the transfer box (VTG) carefully with the front prop shaft.

  Courtesy of BMW OF NORTH AMERICA, INC.