Just see pictures of new drive environment,and this is perfect for rally game,RBR 2 would be great. Idea is to buy physics engine from Eidos interactive or Gizmondo, i dont know exactly who is owner of RBR,and that great physics implement in this game, BeamNG is small team and maybe we all can help, like slightly mad studios do with project C.A.R.S.
If BeamNG is interested everything could happen In RBR was driving school with basic driving and advanced techniques,in RBR2 in basic driving can be used normal cars without roll bars-cages,that would be interesting
BeamNG is a softbody physic engine itself, while RBR uses (Like most of the games out here) hard body physics. In BeamNG is to re-create a vehicle behaviour using this physic, as it's the nearest thing you will get with damage, but unfortunately the wheels gets some disadvantages. I don't think it would be possible to mix the 2 Physic engine, or even if is, I don't know if it's the developers intention to create a hard body system too.
I was think of tyre physics,that physics is heart of RBR ,to buy that physics is hardest thing, then BeamNg team will have time for hard-soft body physics and for Finland and German stages