See also:

Ignition on
All electrical consumers can operate. The odometer and trip odometer are displayed in the instrument cluster. To save battery power when the engine is off, switch off the ignition and any unnec ...

Washer fluid reservoir
Adding washer fluid Only add washer fluid when the engine is cool, and then close the cover completely to avoid contact between the washer fluid and hot engine parts. Otherwise, there is the ...

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 ...