Hmm, I have had more failures using a cable with my M5 than with the Carly Bluetooth adapter and application with my X5. So far I have never had my Bluetooth connection "go down" during coding. Has anyone else? How common is this? My failure was directly related to battery voltage getting to low during programming.

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8/2011 X5 xDrive35d Sport, Black Sapphire Metallic, Black Nevada Leather, Fine Burr Walnut Trim
2/2001 M5, Jet Black, Exclusive Complete Black Walk Nappa Point Heritage Leather, Black Cubic Trim