Summer tires

Do not drive with a tire tread depth of less than 0.12 in/3 mm.

There is an increased danger of hydroplaning if the tread depth is less than 0.12 in/3 mm.

    See also:

    Front
    ...

    Speed limit
    Display of a speed limit which, when reached, should cause a warning to be issued. Renewed warning if the vehicle speed drops below the set speed limit once by at least 3 mph/ 5 km/h. Displayi ...

    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 ...