See also:

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 ...

Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. ...

Air volume, manual
To be able to manually adjust the air volume, switch off the AUTO program first. Press the left or right side of the button: decrease or increase air volume. The selected air volume is shown o ...