See also:

Lane departure warning
The concept Starting at a specific speed, this system alerts you when the vehicle on streets with lane markings is about to leave the lane. Depending on the country-specific version of the vehicle ...

Under the Hood
The 640i is powered by a 315-horsepower, turbocharged 3.0-liter six-cylinder engine. Its peak torque rating is 332 pounds-feet. BMW cites a zero to 60 mph time of 5.5 seconds for both the coupe an ...

Drive-off assistant
This system supports driving away on gradients. The parking brake is not required. 1. Hold the vehicle in place with the foot brake. 2. Release the foot brake and drive away without delay. After ...