![]() Normal operation of these systems should return once the increased battery discharge is resolved. This is a normal function of the vehicle’s power management system and is designed to charge the main battery quickly. The message ‘Increased battery discharge while stationary’ indicates that the vehicle’s DME (Digital Motor Electronics) system has detected a decrease in the voltage of the auxiliary battery and has taken action to preserve the battery by shutting off certain non-essential electrical systems, such as power windows, mirrors, seats, sunroof, etc. This warning usually appears when you start your BMW in the morning, especially during freezing weather, but you may also get it when you stop at a red light. It may take five to thirty minutes for the battery to charge and the message to reset. Remove the phone charger from the cigarette outlet, turn off unnecessary accessories such as the seat heaters sound system, defrost and keep the engine running until the message disappears. In such cases, the Increased Battery Discharge feature may allow the driver to discharge this auxiliary battery at a higher rate than normal, such as providing power to accessories when the vehicle’s main engine is turned off. How do you fix Increased Battery Discharge?Ĭertain BMW vehicles with gasoline or diesel engines may have a secondary battery, sometimes referred to as an auxiliary battery, which is used to power certain systems such as infotainment or navigation. ![]()
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