MIX 1 cup of the barbecue sauce, lime juice and water. Place ribs in large shallow glass dish. Pour barbecue sauce mixture over ribs; cover. Refrigerate at least 2 hours or overnight to marinate. Drain; discard marinade.
PREHEAT oven to 350°F. Place ribs in foil-lined shallow baking pan. Bake 30 minutes.
PREHEAT grill to medium-hot coals. Grill ribs 10 minutes on each side or until cooked through, brushing frequently with the remaining barbecue sauce.