See also:

Front active seat ventilation
The seat cushion and backrest surfaces are cooled by means of integrated fans. The ventilation rapidly cools the seat, e.g., if the vehicle interior is overheated or for continuous cooling at h ...

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 ...

The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels. ...