The BMW Z4 sDrive35i is a two-seat convertible sports car manufactured by the German automaker BMW. It is part of the BMW Z Series, which has been in production since 1989. The Z4 sDrive35i is powered by a 3.0-liter twin-turbocharged inline-six engine producing 300 horsepower, and is mated to a six-speed manual or optional seven-speed dual-clutch automatic transmission. It has a 0-60 mph time of 5.1 seconds and a top speed of 155 mph. It also features a suspension setup, rear-wheel drive layout, and lightweight aluminum body panels.