BMW X5: 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:
- Before and after replacement, execute the "Repair" service function with
the BMW diagnosis system.
Necessary preliminary tasks:
- Raise luggage compartment floor trim
Release screws (1).
Remove battery cover (2) towards top.
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Fig. 11: Identifying Battery Cover And Screws
Disconnect connector (1).
Unscrew nuts.
Remove control unit.
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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.
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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.
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Fig. 14: Identifying Plugs And Servomotor
Release screws and remove servomotor from transfer box.
Tightening torque 27 00 13AZ, see TRANSFER BOX IN GENERAL
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Fig. 15: Locating Screws
READ NEXT:
IMPORTANT: After completing work, check gear oil level, see
Replenishing /Changing
Transfer Case Oil (ATC 700) and top up if necessary.
Use only the approved gear oil in this transfer box.
NOTE:
Special tools required:
23 0 490
27 1 460 DRIFT
IMPORTANT: After completing work, check gear oil level, see
Replenishing /Changing
Transfer Case Oil (ATC 700) and top up if necessary.
Use only a
SEE MORE:
FLUSHING OIL COOLER WITH LINES (AUTOMATIC TRANSMISSION)
Special tools required:
17 2 018 17 2 010 SET OF ADAPTERS
17 2 019 17 2 010 SET OF ADAPTERS
NOTE: Carry out the work steps listed when:
Fitting a new or replacement transmission
Flushing can only be carried out with the automatic transmissi
Standby must be turned on to search for a software
upgrade.
Automatic search
The vehicle regularly searches for updates in the
background.
Manual search
1. "CAR".
2. "Settings".
3. "General settings".
4. "Remote Software Upgrade".
5. "Search for upgrades".
6. Follow the instructions on the Cont