Today, on our 2013 BMW X3 well be installing the Curt hitch, part number C13107. This is what our hitch will look like once its installed. Next, well go ahead and take a couple measurements to assist you in selecting accessories for your new hitch. From the center of the hitch pin hole to the outer most edge of the bumper is four inches. From the top of the receiver tube opening to the ground is… see more >