See also:

Drive away without delay
Do not wait for the engine to warm up while the vehicle remains stationary. Start driving right away, but at moderate engine speeds. This is the fastest way for the cold engine to reach its oper ...

Cargo
The trunk is decently sized, but not as big as you'd expect in a car this mammoth. At 14 cubic feet, it fit our department's standard-size golf bags that we test in every car, but my personal over ...

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 ...