See also:

Car care products
BMW recommends using cleaning and care products from BMW, since these have been tested and approved. Car care and cleaning products Follow the instructions on the container. When cleaning the ...

Activating HDC
Press the button; the LED above the button lights up. ...

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 ...