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:
The concept
This system can be used to select a desired
speed that the vehicle will maintain automatically
on clear roads.
To the extent possible, the system automatically
adjusts the speed to a slower veh ...
Saving fuel
General information
Your vehicle contains advanced technology for
the reduction of fuel consumption and emissions.
Fuel consumption depends on a number of different
factors.
The implementation ...
Controls
1 Change the entertainment source
2 CD/DVD* drive
3 Eject CD/DVD
4 Change station/track
5 Programmable memory buttons
6 Volume, on/off ...