2003 Bmw X5 Fuel Tank Capacity 2003 bmw x5 gas tank size. capacity in gallons, litres X5 fuel 2003 BMW X5 Gas Tank Size. Capacity in Gallons, Litres 2003 BMW X5 Gas Tank Size. Capacity in Gallons, Litres Check Details ← 2003 Bmw X5 Front Grill 2003 Bmw X5 Lift Kit → Share with friends Link copied