Mix 1 cup of the BBQ sauce, lime juice and water. Place ribs in shallow glass dish. Pour BBQ sauce mixture over ribs; cover. Refrigerate 2 hours or overnight to marinate. Drain, discarding BBQ sauce mixture.
Place ribs in foil-lined shallow pan. Bake at 350°F for 30 minutes. Remove from oven.
Place ribs on grill, medium coals. Grill 10 minutes on each side, brushing frequently with BBQ sauce. Serve with additional sauce.