2014 · 🇩🇪 Germany · 410 hp
Based on the BMW 4 Series F33 Cabriolet, the Alpina B4 Biturbo Cabriolet pairs a hand-finished 3.0-litre twin-turbo inline-six with unique suspension tuning and distinctive bodywork. It blends open-top grand-touring refinement with genuine 290 km/h performance in a boutique low-volume package.