See also:

Backrest width
Change the width of the backrest using the side wings to adjust the lateral support. ...

Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

2013 BMW 6 Series Gran Coupe: First Look
Competes with: Mercedes-Benz CLS-Class, Audi A7 Looks like: A more animated 5 Series ... with a 7 Series price tag Drivetrain: 315-hp, twin-turbocharged 3.0-liter inline-six-cylinder; 445-hp, tw ...