Combine marinade ingredients in small bowl. Place beef steaks and marinade in food-safe plastic bag; turn to coat. Close bag securely and marinate in refrigerator 6 hours or as long as overnight, turning occasionally.
Remove steaks; discard marinade. Pat steaks dry with paper towel. Place steaks on grid over medium, ash-covered coals. Grill, covered, 8 to 12 minutes for medium rare (145°F) to medium (160°F) doneness, turning occasionally.
Carve into thin slices; season with salt. Serve in tortillas with toppings.
Nutrition information per serving: 395 Calories; 135 Calories from fat; 15g Total Fat (4 g Saturated Fat; 6 g Monounsaturated Fat;) 70 mg Cholesterol; 749 mg Sodium; 35 g Total Carbohydrate; 1.9 g Dietary Fiber; 29 g Protein; 4.8 mg Iron; 7.1 mg NE Niacin; 0.7 mg Vitamin B6; 2.9 mcg Vitamin B12; 7.4 mg Zinc; 42.4 mcg Selenium; 81.8 mg Choline.
This recipe is an excellent source of Protein, Iron, Niacin, Vitamin B6, Vitamin B12, Zinc, and Selenium; and a good source of Choline.