See also:

The Inside
The interior styling is all-new, but BMW has taken an evolutionary approach, as there's still a strong resemblance to the previous generation's cabin. Befitting this class, it's decked out with ri ...

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 ...

Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...