See also:

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 ...

Navigation system
General information The navigation system can determine the precise position of the vehicle, with the aid of satellites and vehicle sensors, and can reliably guide you to every entered destinat ...

Airbags
1 Front airbag, driver 2 Front airbag, front passenger 3 Head airbag 4 Side airbag 5 Knee airbags Front airbags Front airbags help protect the driver and front passenger by responding to fron ...