See also:

Cargo loading
To avoid loading the tires beyond their approved carrying capacity, never overload the vehicle. Overloading can lead to overheating and increases the rate at which damage develops inside the tire ...

Safety switch
With the safety switch, the rear windows are prevented from being opened or closed via the switches in the rear passenger area, such as by children. Press the button. The LED lights up if the ...

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 ...