Hi everyone i have recently bought an dec 2004 a6 allroad, the sat nav unit has no disc and i need to get a replacement, i also want to fit a ipod connection and bluetooth kit.

I have seen the dension unit on the internet but need help on which unit i have . The unit has on the bottom left audi navigation plus
om start up i think it says mmi in faint red letters against a blue screen .
The info states version
SW 0650
HW H51

I have no steering wheel controls can any help in telling me which version i have so as i can scource a cd / or dvd and a ipod phone kit ?