B bright_fish_7 Guest May 7, 2009 #1 ...Regular or Mid-grade.? Have been using mid-grade, and has been getting better fuel milage with mid-grade. Is it good for the engine to use this or not. get gas from bp.
...Regular or Mid-grade.? Have been using mid-grade, and has been getting better fuel milage with mid-grade. Is it good for the engine to use this or not. get gas from bp.
