After the ignition is switched off

The roof can still be operated for approx. 1 minute, as long as no door has been opened.

    See also:

    Safety
    Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...

    Vehicle equipment
    All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not available in a vehicle, ...

    Starting the engine
    Never use spray fluids to start the engine. 1. Start the engine of the assisting vehicle and let it run for several minutes at an increased idle speed. 2. Start the engine of the vehicle being s ...