With an 07, you might be able to reprogram the computers managing the car to enable some features that were not purchased with the car. Particularly displays. It may take some specialized knowledge to figure out what can be enabled and how to do it, though.
I know there are things you can turn on and off on a MINI (or BMW) by plugging a computer into the OBD2 port and running the correct programs...
-soD
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