In a large bowl, beat the cream cheese, mayonnaise, cheddar, chilies, peppers and 1/4 cup Parmesan until blended. Spoon into an ungreased 1-1/2-qt. baking dish., In a small bowl, combine the bread crumbs, oil and remaining Parmesan. Sprinkle over cheese mixture. Bake, uncovered, at 350degrees for 20-25 min. or until golden brown. Serve with chips or crackers.