Charging the battery

In the vehicle, only charge the battery via the terminals in the engine compartment, with the engine switched off.

    See also:

    Overview, instrument cluster
    Overview, instrument cluster 1 Fuel gauge 2 Speedometer 3 Indicator/warning lamps 4 Tachometer 5 Engine oil temperature 6 Current fuel consumption 7 Electronic displays 8 Display/reset mil ...

    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 an ...

    Activating ECO PRO
    Press button repeatedly until ECO PRO is displayed in the instrument cluster. ...