BMW X5 Owners & Service Manuals

BMW X5: Removing And Installing / Replacing Control Unit For Transfer Box (ATC 700)

BMW X5 (G05) 2019-2024 Service & Repair Manual / Transfer Box / Transfer Case / Removing And Installing / Replacing Control Unit For Transfer Box (ATC 700)

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).

Replacement:

Necessary preliminary tasks:

Release screws (1).

Remove battery cover (2) towards top.

Transfer Case
Fig. 11: Identifying Battery Cover And Screws

Disconnect connector (1).

Unscrew nuts.

Remove control unit.

Transfer Case
Fig. 12: Locating Nuts

REPLACING CLASSIFICATION RESISTOR FOR SERVOMOTOR (ATC 700)

IMPORTANT: Delete previous resistance values when replacing the resistor.

Using BMW diagnosis system, work through test program in accordance with instructions.

Disconnect connector (1).

Release screw (2) and remove resistor.

Tightening torque 27 00 14AZ, see TRANSFER BOX IN GENERAL.

Transfer Case
Fig. 13: Identifying Connector And Screws

REPLACING SERVOMOTOR (ATC 700)

IMPORTANT: After replacement, the "Repair" service function must be carried out with in the BMW diagnosis system.

Disconnect plugs (1 and 2).

Tightening torque 27 00 14AZ, see TRANSFER BOX IN GENERAL.

Transfer Case
Fig. 14: Identifying Plugs And Servomotor

Release screws and remove servomotor from transfer box.

Tightening torque 27 00 13AZ, see TRANSFER BOX IN GENERAL

Transfer Case
Fig. 15: Locating Screws

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