Wearing a new look this year, the two-door hardtop convertible 2009 BMW Z4 is a fun sports car whether you are driving with the power retractable top up or down. The 2009 Z4 has two trim choices; the sDrive30i powered by a 3.0L inline six-cylinder engine which produces 255 hp, or the sDrive35i which adds twin-turbos to the 3.0L pushing power to 300 hp. The standard transmission for both trims is a six-speed manual. Optional on the Z4 sDrive30i is a six-speed automatic, while the sDrive35i can be fitted with a double-clutch seven-speed automatic. For 2009, the BMW Z4 standard features include HID headlights, navigation, and heated side mirrors.