Why not hit up the BTTFHV forums and ask if some of the devs for that mod can help with the BTTF model?
I had the same idea at some point, but honestly I feel like I want to do this myself. I like the research phase, and it feels more rewarding when you make stuff yourself as well. Good point though.
Paste the Delorean .zip file to [users]> AppData> Local> BeamNG.drive> 0.23 and extract it there. How you do it should work.