Updated E53 EGS w/SP-Daten 53.3 - now transmission in fail safe mode - BMW forum. Diagnostics, coding, programming, repair BMW vehicles.

It looks like this guy might've had the same issue as you. I know little to nothing about programming but we should start a coding section on here, nearly everything in these cars can be programmed. Anyways maybe shoot that guy a ok if he's still active might be of some assistance.