Along with today’s shock announcement that BMW is quitting F1 after the 2009 season, the automaker also announced a new focus on "sustainability and environmental compatibility". This doesn’t mean that BMW’s future model range will be limited to unexciting fuel misers. Nothing could be further from the truth as the automaker will reportedly showcase a new sustainable sports car concept at this September’s Frankfurt Motor Show.

Late last year a high ranking insider revealed that BMW was working on a “green” super-sports car based along the lines of the M1 Homage concept. BMW development board member Dr Klaus Draeger has now revealed to AutoTelegraaf that the company is planning to unveil a sustainable sports car concept at the upcoming Frankfurt event.

The concept will pack the latest in BMW EfficientDynamics technology, but rather than just showcasing powertrain advancements the concept will feature sustainable design and material elements.

According to previous reports, BMW is studying the viability of the project, with the ultimate goal to create a two-seater sports car that showcases all of firm’s most sophisticated environmental technology. A limited production run would be timed for release at the end of 2012.

The car could potentially serve as a direct rival to the top-selling Audi R8 and upcoming Mercedes Benz SLS AMG Gullwing.