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.

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    Notes
    Steam jets or high-pressure washers>? When using steam jets or high-pressure washers, hold them a sufficient distance away and use a maximum temperature of 140 ℉/ 60 ℃. Holdin ...

    System limits
    Personal responsibility The system cannot serve as a substitute for the driver's personal judgment of the course of the road and the traffic situation. In the event of a warning, do not jerk t ...

    Bypassing a section of the route
    Calculate a new route for a route section. 1. "Navigation" 2. "Route information" 3. "New route for" New route for 4. Turn the controller. Enter the number of kilo ...