Pre-planning studies began 15 months ago, a choice finally being made in favour of a CC version of the 307, at the request of Peugeot management and the Marketing department, production of an even more effective version of the Coupé Cabriolet also being a top priority.Pre-planning studies began 15 months ago, a choice finally being made in favour of a CC version of the 307, at the request of Peugeot management and the Marketing department, production of an even more effective version of the Coupé Cabriolet also being a top priority.