See also:

Strength of the driver's and front passenger airbag
The strength with which the driver's and front passenger airbags are triggered depends on the position of the driver's and front passenger seats. To maintain the accuracy of this function over ...

Data memory
Your vehicle records data relating to vehicle operation, faults and user settings. These data are stored in the remote control and can be read out with suitable devices, particularly when the vehic ...

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 ...