BMW 2012 5 Series - Manual (Page 263)

Pull the green knob with the fuel pump symbol.
This releases the fuel filler flap.
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.◀
Seite 263
Refueling Mobility
263
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