See also:

Head airbags
In a lateral impact, the head airbag supports the head. ...

Compartments in the doors
Do not stow any breakable objects Do not store any breakable objects, e. g. glass bottles, in the compartments, or there is an increased risk of injury in the event of an accident. ...

BMW EfficientDynamics: BMW 5-Series increasing the lead.
BMW EfficientDynamics technologies are featured in appropriate combinations on each model, including features such as Brake Energy Regeneration, Electric Power Steering, a gearshift point indicato ...