Heavy that. That's like my worst nightmare, glad you got out of there in one piece.
People like that, usually get there comeuppance. You live by the sword you die by the sword. There's a lot of bad people out there an I have no doubt he'll eventually try an intimidate someone a lot badder than him, then he'll get what he deserves.
He's just a dirty little pimp, I doubt he's got the resources to track u down from your phone number or plate. If it was me I'd just swallow my pride an ring the police. I'm sure they would be More interested in catching him than you.