See also:

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

For X3 xDrive28i: Oil levelcheck
The concept The oil level is monitored electronically during driving and shown on the Control Display. If the oil level reaches the minimum level, a check control message is displayed. Displayi ...

High-strength body structure with extremely stiff passenger cell
The body of the new BMW 3-Series Sedan meets the highest standards across the board. Large and extremely durable supporting structures and the intelligent use of high and ultra-high-tensile multi- ...