See also:

Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for approx. five seconds. 2. "OK" ...

Wheel and tire combination
Information on the right wheel and tire combination and rim version for your vehicle can be obtained from the service center. Incorrect wheel and tire combinations impair the function of a vari ...

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 ...