Under the Hood
The 640i is powered by a 315-horsepower, turbocharged 3.0-liter six-cylinder engine. Its peak torque rating is 332 pounds-feet. BMW cites a zero to 60 mph time of 5.5 seconds for both the coupe and convertible. The standard eight-speed automatic transmission includes steering-wheel-mounted shift paddles.
Other standard features include computer-controlled adaptive shock absorbers and Driving Dynamics Control, which allows the driver to adjust the ride quality, accelerator response, power-steering assist level and automatic transmission behavior.
Optional mechanical upgrades include active stabilizer bars and active steering, the latter of which adds rear-wheel steering to the earlier generation's variable-ratio front steering system.
See also:
Text messages
Text messages at the upper edge of the Control
Display in combination with a symbol in the instrument
cluster explain a Check Control message
and the meaning of the indicator and warning
lamps ...
Warning stages
Prewarning
This warning is issued, for example, when there
is the impending danger of a collision or the distance
to the vehicle ahead is too small.
Acute warning with braking function
Warning ...
Snap-in adapter
Installation locationIn the center armrest.
Inserting snap-in adapter
1. Press the button and remove the cover.
2. Insert the snap-in adapter at the front, arrow 1, and press downward, ...
