HEAT barbecue to medium-high heat.
MIX meat, cheese, bacon bits, bread crumbs and 1/4 cup barbecue sauce. Shape into 8 (1/2-inch-thick) patties.
GRILL 4 to 6 min. on each side or until done (160ºF).
SPREAD buns with remaining barbecue sauce; fill with lettuce, tomatoes and patties.
