The BMW 3 Series should be reasonably easy to live with when its running costs and equipment fit your routine. Useful ownership information includes 2025 M340i xDrive M Sport Pro: 7.7 L/100km; 2025 330Li M Sport: 6.4 L/100km; 2025 330i M Sport: 6.6 L/100km; 2025 320i Sport: 6.4 L/100km. For most buyers, the right car is the one that keeps commuting, family errands and weekend trips simple rather than merely looking strong on paper.