See also:

ConnectedDrive or BMW Assist
...

Sitting safely
The ideal seating position can make a vital contribution to relaxed, fatigue-free driving. The seating position plays an important role in an accident in combination with: Safety belts. He ...

Safety
Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...