Following the unveiling of the all-new BMW Z4 M40i First Edition Roadster at Pebble Beach Lodge to kick-off Monterey car week, BMW unveils the 2019 BMW Z4 sDrive30i Roadster, which will arrive in March of 2019, and the 2020 BMW Z4 M40i Roadster, which will follow. Agility, performance and precise handling have always been top priorities for the Z4 family but the new two-seater's body, powertrain and chassis have received the greatest amount of development... continue