See also:

Screw thread
Push out the cover by pressing on the top edge. ...

Observe the following when refueling
The fuel tank is full when the filler nozzle clicks off the first time. Handling fuels Obey safety regulations posted at the gas station.◀ ...

BMW 320d: powerful torque, outstanding smoothness and further improved fuel efficiency
The new-generation BMW 3-Series Sedan features the BMW TwinPower Turbo four-cylinder diesel engine of its predecessor, which has been honed for even greater fuel economy and lower emissions with n ...