See also:

Minimum tread depth
Minimum tread depth Wear indicators are distributed around the tire's circumference and have the legally required minimum height of 0.063 in/1.6 mm. They are marked on the side of the tire wit ...

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 ...

Using the door lock
General information Locking from the outside Do not lock the vehicle from the outside if there are people in it, as the vehicle cannot be unlocked from inside without special knowledge. The ...