How To Read FSC Code From Audi?

Dear friends,

Mine good friend today install new MMI3G DVD basic 2013 Audi A4 2009 navigation in one service.
This service is not legal, man which install him that have burned DVD 8.5Gb maps 2013 and install him universal FSC code for all MMI3G basic 2013 DVD. Mine question now is how can i read FSC file from friend car? I need any bootloader for sign in to audio MMI system and copy this file to SD card, but please tell me how?
Any help will bee useful...

Thanks!