Most current BMW focus on technology, comfort, refinement, and fuel efficiency. BMW still offers fun-to-drive sporty cars, such as the 2 Series coupe, Z4 roadster, and M-designated models, along with very plush luxury cars and a wide variety of polished SUVs. The i sub-brand is focused on electric cars. The iDrive infotainment control system has become more intuitive since its inception more than a decade ago. The line is being freshened with new variations filling in between traditional body types. Reliability varies widely.