I posted something similar on the senille team bor boards, might as well copy it here, this should answer your question
" The one thing I do not see mentioned often, I have not come across any beats of rage mod that has not worked on the xbox version. The bor mods (collected from every system out there) I have, all played without issue regardless of what system it was intended for to begin with."
now for getting the /pak files from your cdi image. Use an app (or burn the disc to a cd) ultraiso or isobuster. This should be able to "open" your cdi image and you can then extract the /pak files you need.
I renamed all of my pak files to the actual game/mod they happen to be
Also their is an unofficial BOR ver 4 mod (for xbox) up on bor revolution site. It adds the 4 player support and some other minor extras