I admittedly know nothing of the technical inclinations of how rtx could be implemented into BeamNG. Good to see it can be done so I guess my point will default to the extremely low likelihood of the devs having it on their radar. Perhaps someone in the community will get to some deep hackin' .
For those that want RayTracing for BeamNG, go use Reshade and support Marty McFly on patreon (i think its there..) and download his WIP raytracing shader there (dont think its been officially released yet). He also work for/with Nvidia afaik. There has been a few screenshot of that shader in beamng. Looks gooood but so very few top of the line games has it yet so as much as id like it, i dont need it. Link to Marty McFlys patreon: https://www.patreon.com/mcflypg