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:
Voice operation
Vehicles equipped with the voice activation system:
operation
Vehicles not equipped with the voice activation
system: depending on the equipment, the mobile
phone can be voice operated as descri ...
Avoid high engine speeds
Use 1st gear to get the vehicle in motion. Beginning
with 2nd gear, accelerate rapidly. When
accelerating, shift up before reaching high engine
speeds.
When you reach the desired speed, shift i ...
Starting the engine
Do not run the engine in enclosed areas; otherwise,
the inhalation of toxic exhaust gases can cause loss of consciousness and death.
The exhaust gases contain carbon monoxide, an odorless and col ...