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This thread interests me, i have a 2009 e91 330d with the CIC system and like you mine is lacking the 'tick' on screen. I'm therefore assuming it won't accept a usb stick map upgrade.
I know you went to the trouble of doing a firmware upgrade, but does anyone know if it's possible to use DVDs to upgrade the maps? Would be slow but i'm being quoted £100 to update the firmware
Cheers
Simon
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