曾经的宝马3系双门轿跑车型终于脱离3系,自成一派,成为宝马4系的开宗之作。从此,宝马4系车型开始走上从双门轿跑到4门轿跑再到高性能M4等一系列衍化之路。在宝马的车型阵容里,双门轿跑车型一直都是作为奇数车系的衍生车型而存在,随着消费者个性化需求的日趋强烈和宝马车型系列扩张的需求,这种衍生的车型被进一步细化。关于市场和车型的细分,宝马向来是高手。轿跑车型被细分出来之后,形成了宝马的偶数车系,继6系 Once the BMW 3 Series Coupe finally from the 3 series, its own become a BMW 4 Series Kaizongzuo. Since then, the BMW 4 Series models embarked on a series of evolution from the two-door coupe to the four-door coupe and then to high-performance M4. In BMW’s line-up, the coupe has always existed as a derivative of the odd-numbered car, and with the growing consumer demand for personalization and the need to expand the BMW family, the derivative model Refine. About market and car breakdown, BMW has always been a master. After the coupe was subdivided out to form a BMW even-car series, following the 6 series