turns out that ity was the fuel level sensor. gauge showed i had 1/8 of a tank and 37 miles til empty and BMW called and told me i had 0 gas in the tank. they said the fuel level sensor was faulty and replaced that along with the entire fuel tank. i had the car back the same night it was dropped off and totally covered under warranty.
iPhone 5s (iTunes library/iTunes radio/Waze, etc) to Airport Express via AirPlay. Aux out of Airport Express to Helix A4S Competition. Micro-Precision 5.28 tweeters, Gladen Sub, and Dynaudio MW152 midranges. Jehnert Door Cards and mid-bass'.