The Alpina B4 is a high-performance luxury coupe based on the BMW 4 Series, crafted by the renowned German manufacturer Alpina. Since its introduction, the B4 has stood out with its distinctive blend of performance, exclusivity, and refined design, combining enhanced engine tuning and bespoke features. Multiple generations of the Alpina B4 have seen advancements in power output, technology, and comfort, all while maintaining a balanced size that fits within the compact executive car segment. Its evolution highlights Alpina's commitment to delivering a unique driving experience that is both agile and luxurious.