It's OK to try out BEAD on a bass set up for EADG. If you're going to stick to it long term, you will need a new nut (or the current one recut IF there's enough meat on the bone, so to speak): As it is the B-string (and maybe the other 3 as well) are sitting on top of a too-small groove in the nut, and for the action to be adjusted properly, that's just not going to work, so you need a BEAD nut, IF this is going to be a long term deal. The strings will simply be too high at the nut to play properly. OK to try it out, not live with long term.