Remove the transfer box (ATC 13-1)
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 2023 BMW M550i xDrive, 2023 BMW 540i xDrive, 2023 BMW 530i xDrive, 2023 BMW 530e xDrive, and 2022 BMW M550i xDrive. However, it is still accessible from the selected car via links, so may be relevant.
Preliminary work
- Deactivate the 48 v ELECTRICAL SYSTEM .
- Disconnect all battery GROUND LEADS .
- Remove rear UNDERBODY PROTECTION .
- Remove the transmission side UNDERBODY PLANKING
- Remove the tunnel connecting SUPPORT .
- If installed: remove the right and left TORSION STRUT where required.
- Remove the HEAT SHIELDS .
- Remove transmission CROSS-MEMBER .
- Remove the RETAINING PLATES
- Partially loosen the PROP SHAFT
- Unscrew the bolt (1) and disconnect the ground strap (2).
- Disconnect connector (1) from transfer box control unit (longitudinal torque distribution) (2).
- Unscrew the screw connection (arrows) of the transfer box.
- Tie the front prop shaft to the underbody.
It is imperative to prevent damage to the surface coating!
- Carefully pull the transfer box off.