Automatic locking
The setting is stored for the remote control currently in use.
1. "Settings"
2. "Door locks"
3. Select the desired function:
▷ "Lock if no door is opened"
The vehicle locks automatically after a
short period of time if a door is not
opened.
▷ "Lock after start. to drive"
The vehicle locks automatically after
you drive away.

See also:
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 ...
Tire age
The tire manufacturing date is contained in the
tire identification mark: DOT ... 3410 means that
the tire was manufactured in the week 34 of
2010.
BMW recommends that you replace all tires aft ...
Protective action
Airbags are not triggered in every impact situation,
e.g., in less severe accidents or rear-end
collisions.
Information on how to ensure the optimal
protective effect of the airbags
► Keep ...
