Adventure calls. #BMW #BMWM #THEX3 #X3M50 Paint finish shown: Dune Grey metallic. The BMW X3 M50: Mandatory information according to German law ’Pkw-EnVKV’ based on WLTP: energy consumption combined: 8.3 l/100 km; CO₂ emissions combined: 189 g/km; CO₂ -class(es): G​.