Our INAV screens are compatible with Audi vehicles with and without MMI this is how you identify them:

If you don’t have navigation means you have INTERNAL MMI and usually it’s equipped with Audi Concert as below:

if you do have navigation means you have EXTERNAL MMI as below:

If your Audi comes with “CD Changer” that would be our special unit with special harness for 2008-2009 Audi A4 and A5 which already explained on related page.