The BMW 540i xDrive is a high-performance executive luxury sedan produced by BMW. It is equipped with a powerful 3.0L turbocharged 6-cylinder engine that produces 335 hp and 332 lb-ft of torque. The car is all-wheel drive, and is equipped with an 8-speed automatic transmission. Standard features include BMW's Intelligent Personal Assistant, a 19 speaker Harman Kardon audio system, and BMW's Driving Assistance professional package.