The 2017 BMW M3 is a four-door, five-passenger high-performance sedan that's based on the 3 Series. It comes standard with 18-inch alloy wheels, summer tires, adaptive xenon headlights, adaptive suspension dampers, an active locking rear differential, M3-specific exterior body panels (including a powerdome hood and wider rear fenders), power-folding and auto-dimming heated mirrors, automatic wipers, keyless entry and ignition, leather upholstery with cloth accents, heated 10-way power front seats (with four-way power lumbar adjustment), driver memory settings, carbon-fiber interior accents, fold-down rear seatbacks, cruise control and dual-zone automatic climate control. Standard technology features include Bluetooth connectivity, a navigation system, an 8.8-inch display screen, a suite of applications under the BMW ConnectedDrive banner, BMW's iDrive infotainment interface, and a 16-speaker Harman Kardon audio system with HD radio, satellite radio, a USB audio input, an auxiliary audio jack and a CD player. The Competition package bumps peak power to 444, a gain of 19 horsepower, and adds forged 20-inch wheels, an M sport exhaust with black chrome tailpipes, revised tuning for the suspension and adjustable driving modes, special exterior trim and lightweight M sport seats.