How does the aerodynamic design of the BMW i4 contribute to energy efficiency?

The BMW i4 utilizes a highly streamlined design with a drag coefficient as low as Cd 0.24. Through its closed-off kidney grille, flat underbody, and aero-optimized wheels, the BMW i4 effectively minimizes drag, thereby increasing range efficiency and reducing wind noise at high speeds.

BMW i4 採用咗極致嘅流線型設計，風阻系數低至 Cd 0.24。透過封閉式雙腎型格柵、平整化車底同埋專屬嘅空氣動力學輪圈，BMW i4 能有效減少行車阻力，從而提升續航效率並降低高速行駛時嘅風噪。