Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
Entering a street or intersection
separately
Enter a street and intersection in the same way
as you would enter a town/city. ...
Using the door lock
General information
Locking from the outside
Do not lock the vehicle from the outside if
there are people in it, as the vehicle cannot be
unlocked from inside without special knowledge.◀ ...
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 ...