See also:

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

Messages after trip completion
Special messages that are displayed during driving are displayed again after the ignition is switched off. ...

Torsion-resistant body, optimal weight, wide range of safety features
The new BMW Series 1's lightweight body makes it more agile and improves passenger safety, with high-strength steel being used to increase torsion resistance and the strength of the passenger safe ...