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.
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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
Replacing Output Flange On Transfer Box At Rear (ATC 700)
Replacing Radial Shaft Seal For Drive Flange (ATC 700)
Replacing Rear Left Outer Wheel Arch Section (Rear Left Side Panel
Removed)
Engine - Technical Data