Place beans in a large microwave-safe bowl; mash lightly. Stir in the chilies, onion, peppers, oil, chili powder, garlic, oregano, cumin and salt. Cover and microwave on high for 2-3 minutes or until heated through, stirring once.
Spread about 1/4 cup bean mixture down the center of each tortilla. Top with 2 tablespoons cheese; roll up. Place seam side down in an ungreased 11-in. x 7-in. microwave-safe dish.
Cover with a damp paper towel. Microwave on high for 25-40 seconds or until heated through. Serve with salsa and sour cream. Yield: 4 servings.