The 2011 BMW 135i is a sleek and stylish coupe that offers a balanced blend of performance and luxury. Under the hood, it is powered by a 3.0-liter turbocharged six-cylinder engine that is mated to a six-speed manual transmission or a seven-speed dual-clutch automatic transmission. This combination delivers a smooth and responsive driving experience, with quick acceleration and nimble handling. Inside the cabin, the BMW 135i boasts a range of factory default features that enhance comfort and convenience. It includes leather upholstery, a sport steering wheel, and power-adjustable front seats. The car also comes with automatic climate control, a premium sound system with CD player, and Bluetooth connectivity. The dashboard features a 6.5-inch display screen that provides access to the car's infotainment system, which includes satellite radio and a USB port. Other factory default features of the BMW 135i include stability control, traction control, and a range of airbags to ensure passenger safety. The car also features front and rear parking sensors, rain-sensing wipers, and automatic headlights. Overall, the 2011 BMW 135i is a well-rounded vehicle that offers a great driving experience and a host of factory default features to enhance comfort and convenience.