Very clean and very cheerful! Inspection, Safety, Service and detailing included.The Z4 sDrive35i has a 3.0-liter inline-6 that delivers 300 horsepower at 5800 rpm and 300 pound-feet of torque from 1400 to 5000 rpm; it is a different engine than the 30i and employs twin turbochargers, matched to the optional 7-speed dual-clutch automated manual transmission. Other mechanical upgrades include larger brakes and staggered 19 inch wheels and tires. Cabin upgrades include Kansas leather upholstery, brushed aluminum trim, and automatic dual-zone climate control. Other options consist of a navigation system with an 80-gigabyte hard drive, voice recognition, real-time traffic information and an iPod interface.