BMW to unveil 4th generation 3 Series Cabriolet with retractable metal roof

The new 3 Series Cabriolet will carry a retractable powered hardtop for the first time in a BMW to date. The new roof mechanism is made of lightweight steel and retracts in just 22 seconds with the push of a button, ensuring added convenience and reduced noise levels, even at high speed. Visibility has also been increased by a total of 38 percent- a significant improvement.