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:
NOTE: If the integral link is detached from the wheel carrier or
swinging arm, it is
necessary after reinstallation to carry out a wheel/chassis alignment check.
Necessary preliminary tasks:
Remove rear wheel.
Tension coil spring (and leave on vehicle).
Version with ride-height control: Deacti
(cylinder bank 1 to 4)
NOTE: To remove the exhaust manifolds, the engine must be secured in
the
installation position with the special tool and then the front axle bracket
lowered.
Remove right exhaust manifold.
After removing exhaust manifolds:
Reinstall front axle bracket provisionally and remove