[midwest 340xi 6sp]

Originally Posted by My2010M3

Wow! Not sure about low battery. Screen still has all info displayed. But there is no audio from either hands free or stereo. Always kept the car on a charger in the winter and never really turn stereo up that loud. I'll search a little more, but it sounds like a trip to the dealership for me. SAD!!!

Charge your battery before going to a dealer...The system begins to lessen load on battery when it senses a decline in charge. One of the first things it shuts down is exactly what you're describing...