The BMW 3 Series should be manageable in city use when judged against its listed dimensions. Key size figures include 2025 M340i xDrive M Sport Pro: 4713 mm; 2025 330i M Sport: 4713 mm; 2025 320i Sport: 4713 mm; 2025 M340i xDrive M Sport Pro: 1827 mm; 2025 330i M Sport: 1827 mm; 11 more variants. Length affects parking ease, width affects tight ramps and urban lanes, while wheelbase gives a clue to cabin comfort and highway stability.