De-immobilizing vehicles

[The Coil]

I don't get how ramming would help. CM doesn't simulate any kind of physical forces (gravity, mechanical forces, friction). Bullet trajectories are simulated, but the rest is much like a tabletop wargame.

Yup, that's sort of what I think. I think most successes with ramming are just coincidental. Collisions aren't point strikes - the one vehicle sort of pushes the other for a few seconds, so it is entirely possible the vehicle just happened to unbog during that time. Had one go from bogged to immoble while it was being pushed, which I suspect is the same sort of thing. No causation, no correlation, just co-happening...