BMW X3 2005

Disarming the System

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  1. Before servicing the vehicle, refer to the Precautions section.
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  3. Place the ignition switch in the OFF position.
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  5. Disconnect the negative battery terminal and cover the battery terminal to prevent accidental contact.
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  7. Once the battery has been disconnected, wait for a period of approximately 3 minutes allowing the capacitor in the control unit to discharge. Once the capacitor is discharged, a trigger pulse cannot be generated inadvertently.
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