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第五代 BMW 3系轿车将又一次开创更高的基准。30年来一直在同级别车中称霸的 BMW 3系轿车这次在发动机、悬挂以及驾乘舒适性上取得了一系列创新的、实质性的进展,从而点亮了崭新的第五代。第五代 BMW 3系装备了高品质的4缸及6缸发动机。BMW 320i 装备的4缸发动机是世界上唯一量产的具有 VALVETRONIC电子气门控制系统的同级别发动机,它可以根据油门踏板位置精确调节气门,实现无级控制。BMW 325i 和 BMW 330i 的直列6缸动力单元均第一次采用镁铝合金曲轴箱
The fifth-generation BMW 3 Series sedan will again set a higher benchmark. The BMW 3 Series Sedan, which has been dominated in the same car for 30 years, has taken a series of innovative and substantial advances in engine, suspension and ride comfort to light up the new fifth generation. The fifth generation BMW 3 Series is equipped with high-quality 4-cylinder and 6-cylinder engines. The 4-cylinder engine of the BMW 320i is the only production-ready engine in the world with the VALVETRONIC electronic valve control system, which offers infinitely variable control of the valve with precise throttle adjustment based on the accelerator pedal position. For the first time, both the BMW 325i and the BMW 330i inline 6-cylinder power packs feature a magnesium-aluminum alloy crankcase