had the same problem... after multiple visits they upgraded the software (didn't tell me they did but I was surprised my start up screen changed to grey from brown)...

problem solved after the software upgrade...

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07 650i Cabrio CPO, Titanium Silver
Black Matte Grill
Dark Birch Wood Interior and Shifter
HUD, Cold Weather and Sports Package
Logic 7 Sound
Aluminum Racing Pedals
K&N Air Filters
Rays Master Piece REM 20" Forged wheels w/ Conti Extreme DWS