The BMW iX running cost picture depends most on fuel or charging use, tyres, insurance and the chosen variant price. The available running-cost clue is 2025 xDrive60 M Sport Pro: 109.6 kWh; 2025 xDrive45 Sport: 96 kWh; 2025 xDrive60 M Sport Pro: Ternary lithium battery; 2025 xDrive45 Sport: Ternary lithium battery. Lower energy use helps in daily commuting, while a sensible purchase price keeps insurance and financing easier to manage over the ownership period.