It's your battery or alternator. Had the same issues with mine a few weeks back and ended up having the alternator replaced. Here is a video I took of mine. I had at least 6 different error messages pop up on Idrive as well.

http://i1090.photobucket.com/albums/...71F889887C.mp4

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2008 E63 M6 - Black Sapphire - Sepang Bronze Full Merino - Carbon Fiber Trim - Alcantera Headliner - SMG - HUD - Soft Close Doors - Comfort Access - Individual Audio w/Sat and HD Radio
2009 E92 335i - Black Sapphire - Black Dakota - Burl Walnut - Sport - Premium - Cold Weather - Navigation - L7 - Comfort Access - Smoker's Package

Member: BMWCCA #471614