Keep your car and wait for the new M3.
Posts like these is why I always go a bit overboard and get all the options/features I want when ordering a new car. Better to have something and rarely use it, than to not have it and wish you did
Works good for resale, too. Few with pass over a car with a few "extra" options, but your car could be missing that one thing that makes it an immediate "pass" by many buyers.