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:
Replacing Output Flange On Transfer Box At Rear (ATC 700)
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:
Replacing Radial Shaft Seal For Drive Flange (ATC 700)
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:
General Information On Intelligent Battery Sensor (IBS)
WARNING: Danger of destruction in event of mechanical strain
Do not introduce any additional connections at the battery
negative
terminal.
Do not modify the grounding cable.
The grounding cable also serves to dissipate heat.
Do not establish any connection between the IBS and the sensor
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Removing And Installing/Replacing Actuating Unit With Control Unit
For Parking Brake (EMF)
Necessary preliminary tasks:
Remove both brake discs.
Set workshop mode in BMW diagnosis system.
Path:
Function selection
Service functions
Chassis
Parking brake
Workshop mode
NOTE: This facilitates removal as the EMF approaches the outer
position.
Open flap in luggage compartme
