The all-new BMW X3 M Competition and the all-new BMW X4 M Competition (02/2019). The all-new BMW X3 M Competition: Fuel consumption combined: 10,5 l/100 km; CO2 emissions combined: 239 g/km. The all-new BMW X4 M Competition: Fuel consumption combined: 10,5 l/100 km; CO2 emissions combined: 239 g/km. The following applies to consumption figures for vehicles with new type approval, September 2017 onward: The figures for fuel consumption, CO2 emissions and energy consumption are obta