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Home >> BMW >> 2015 >> M5 Standard Trans >> Repair and Diagnosis (Single Page) >> General Information >> OEM General Information >> Functional Description - F10 - Charging System, Anti-Theft System, Body Electrical System >> Body Electrical System - Functional Description >> Power window regulator >> Load cutoff
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Load cutoff

To protect the battery, the power windows will not operate while the engine is being started. Every ongoing function of the power windows is halted. If the battery voltage falls below 9 volts, the power-window motors are switched off.