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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 408 (General Electrical System - Service Techniques) >> Power windows E60, E61, E63, E64 >> Load cut-off

Load cut-off

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To protect the battery, the power windows will not operate while the engine is being started (terminal 50). Any current power-window operation (e.g. one-touch opening) is stopped.

If the battery voltage falls below 9 volts, the power-window motors are switched off.