"We want to do a hard, R-rated version of it. We're going to scale back the size of the movie to try and persuade the studio to go ahead and make a tough version of it."
http://movies.ign.com/articles/100/1006599p1.html
However when quizzed about the potential for a Beverly Hills Cop 4, to which di Bonaventura had previously been attached, he revealed that the project is probably dead in the water.