The BMW Roadster is elegant. inspring and captivating. Combining the highest aesthetic both inside and out plus the powerful sportiness of BMW TwinPower Turbo engines, every drive will become an inspirational and dynamic experience. At the push of a button, the BMW Z4 Design Pure Traction and the BMW Z4 with M Sport Package transforms from Coupé to Roadster. The hardest decision will be which one to choose.