BMW Battery / Charging Fault Codes
Voltage low, parasitic drain, IBS sensor, alternator output.
3 codes in this category.
9C68Battery Voltage Too LowBattery voltage below threshold - check battery age and charging system.moderate8003Increased Battery Discharge When StationaryParasitic drain detected - usually module not entering sleep mode.moderate9C73Battery Charging Voltage Out of RangeAlternator output not within spec - charging system fault.moderate