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:
Service and Warranty
Information Booklet for US
models and Warranty and
Service Guide Booklet for
Canadian models
Please consult your Service and Warranty Information
Booklet for US models and Warranty and
Service Guide Booklet for Canadian models for
additional information on service requirements.
Mainten ...
Backrest width
Change the width of the backrest using the side
wings to adjust the lateral support.
To make it easier to enter and exit the vehicle,
the backrest width temporarily opens fully. ...
Mobility
To ensure that you remain mobile at all times, this
chapter supplies you with important information
on the topics of fuels and lubricants, wheels and
tires, service, maintenance, and Roadside
...