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

The F33 ALPINA B4 Convertible will have its world premiere at the 2014 Geneva Motor Show.

By Horatiu Boeriu • February 21, 2014