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 ...

Brake system
Brakes require an initial break-in period of approx. 300 miles/500 km to achieve optimized contact and wear patterns between brake pads and rotors. Drive cautiously during this break-in period. ...

Adding engine oil
Filler neck When the indicator lights up in the instrument cluster, add 1 US quart/liter of engine oil within the next 125 miles/200 km. Protect children Keep oil, grease, etc., out of reach o ...