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 ...

Brake assistant
When you apply the brakes rapidly, this system automatically produces the maximum braking force boost. It thus helps to achieve the shortest possible braking distance during full braking. This ...

Setting the voice dialog
You can set whether the system uses the standard dialog or a short version. In the short version of the voice dialog, the responses from the system are given in abbreviated form. On the Control Di ...