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the std system is a COMAND NTG 3.0 2005 to 2009 or better very similar looking but the far less reliable Sept 2009 to 2012 COMAND NTG 3.5
Cockpit Management and Navigation Device
never had this specific bug but the euro DAB or the USA Sirius sat radio module (separate module in the boot) can die, killing the MOST fibre loop, and they lose parts of the system but not sure what as never seen it
the later NTG3.5 has a self destructing hardive and that causes issues - and should be removed from its caddy and backed up before this happens






