PLACE meat in medium pot. Add enough water to cover meat by 1 inch; bring to boil. Skim foam from surface. Add onions, ginger and wine; cover. Simmer on medium-low heat 1 hour or until meat is tender. Remove from heat; let stand 10 min.
TRANSFER meat to cutting board; discard broth or reserve for another use. Cut meat into 1/8-inch-thick slices, then cut into 1-inch pieces.
HEAT oil in nonstick wok on high heat. Add meat; stir-fry 2 min. Add peppers, chiles and garlic; stir-fry 2 min. Stir in barbecue sauce and water; stir-fry 15 sec. or until heated through.