An update on my situation, that might help people in the future. Turns out the production date of my car was 2011 (May 2012 is the registry), so if you have a Focus mk3, with the old audio system (not Sync, the screen with 2 buttons to the right to set hours and minutes) you can use this update...
Hi,
I created an account because of this. I have an issue with my 2012 Focus mk3. Bear in mind that I bought the car used so I don't know how many phones were connected previously. When I go to the Phone menu, it says that there are no devices bonded (which is normal since i never connected...