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Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 576 (Functional Descriptions - F25 - Charging System, Anti-Theft, Body Electrical Systems) >> Body Electrical System - Functional Description >> Power management >> Brief component description >> DME or DDE: Digital Motor Electronics or Digital Diesel Electronics

DME or DDE: Digital Motor Electronics or Digital Diesel Electronics

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The DME or DDE contribute to the voltage supply as follows: If the alternator voltage falls, DME/DDE increase the engine speed depending on the requirement. The software for this is called "power management".

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