ALPINA B4 Convertible

The B4 Bi-Turbo Convertible accelerates in 4.5 seconds, the B4 Bi-Turbo Coupé All-Wheel Drive in just 4.0 seconds

About half a year after the premiere of the ALPINA B4 Coupe, the Buchloe-based automaker will introduce a new model in the B4 lineup. The F33 ALPINA B4 Convertible will have its world premiere at…