Set to be revealed in September 2012, the BMW M6 Cabrio has been caught by spy photographers undergoing testing again. With an expected debut at the 2013 Paris Motor Show, the M6 Cabrio will share the same as engine as the upcoming F10 M5, which is a turbocharged V8. The X5 and X6M also share this engine. As of now, these are the most revealing spy pictures taken, with front end styling similar to the also upcoming M6 Coupe.
All other details remain unknown since the official debut is still over a year away, but based on the known information regarding the upcoming M5, the new M6 Coupe and Cabrio will be well worth the wait. Photos courtesy of Teamspeed.com