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:
Welcome lamps
When parking the vehicle, leave the switch in
position or
the parking and interior
lamps light up briefly when the vehicle is unlocked.
Activating/deactivating
1. "Settings"
2. &qu ...
Selecting a destination from the
address book
1. "Navigation"
2. "Address book"
Contacts with addresses are displayed if
these have been checked as destinations.
If the contacts with addresses from the mobile
phone are ...
Changing, maintaining, and storing the
speed
The rocker switch can be pressed while the system
is interrupted to maintain and store the current
speed. DSC Dynamic Stability Control is
switched on, if necessary.
Adapting the desired speed ...