The 2013 BMW M5 is a high-performance variant of the midsize 5 Series luxury sedan. Standard equipment includes 19-inch alloy wheels, performance tires, adaptive suspension dampers, adaptive xenon headlamps, an automatic start/stop function, front and rear parking sensors, auto-dimming mirrors, a sunroof, dual-zone automatic climate control, a power tilt-and-telescoping steering column, leather upholstery, 16-way power sport front seats, heated front seats with memory settings, and split-folding rear seats. Standard electronics features include the iDrive electronics interface, a navigation system, voice commands, a rearview camera, Bluetooth and a 12-speaker surround-sound system with a six-CD changer, HD radio, an auxiliary audio jack and an iPod/USB interface. Standard safety equipment for the 2013 BMW M5 includes stability and traction control, antilock disc brakes, front-seat side airbags, active front head restraints and the BMW Assist emergency communications system.