I was able to upgrade my screen. I have a 2018 i3S.
The innolux? screen may still be an option depending on when BMW cut over to the new electronics for the 2018 model year. My I3, although a 2018, was still sporting the NBT_ENTRYNAV version of the infotainment. Later on, it seems they switched over to ENTRYNAV2... My guess perhaps to support their updated Idrive version and carplay. That said, check your nav version, if you have ENTRYNAV, you should be good to go with upgrading to the larger screen which can be readily found on aliexpress for $400 USD. If you're on ENTRYNAV2, then you're SOL at the moment until someone figures out how to code the screen upgrade properly.