See also:

Comfort position
In the comfort position, the roof is not fully open. This reduces wind noise in the passenger compartment. Each time the glass sunroof is opened or closed all the way, it stops in the comfort posi ...

Replacing the battery
The remote control for Comfort Access contains a battery that will need to be replaced from time to time. 1. Take the integrated key out of the remote control. 2. Remove the cover. Remove t ...

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 ...