BMW’s all-new 2009 M3 convertible is powered by a “V-8 displacing 4.0 litres and developing maximum output of 309 kW/420 hp; maximum torque is 400 Nm/295 lb-ft at 3,900 rpm and maximum engine speed 8,400 rpm.” Video after the break. Click here for first picture in gallery.

BMW’s new M3 Convertible was supposed to be unveiled in March, but several leaked photos led to a flood of official photos and information straight from BMW

[via Autoblog]