See also:

Leather care
Remove dust from the leather often, using a cloth or vacuum cleaner. Otherwise, particles of dust and road grime chafe in pores and folds, and lead to increased wear and premature degradation o ...

Programming
General information 1. Switch on the ignition. 2. Initial setup: Press and hold the left and right button on the interior rearview mirror simultaneously for approximately 20 seconds until the L ...

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 ...