German car maker BMW has released their first M Performance automobile featuring a petrol engine. The BMW M135i has a 3.0 liter, straight six-cylinder engine producing 320hp as well as M-suspension components and aerodynamically optimized body features. The official release follows the Concept M135i shown at the Geneva Motor Show 2012 in March. The BMW M135i will also be available as a five-door version. One non-metallic and five metallic colours are available for the M135i model. The standard interior features Satin Silver trim and upholstery in Move cloth design. Optional interior trims and seats upholstered in Dakota leather (offered in two different BMW colors) are also available.