Refueling for your BMW i8 2014-2020

Refueling  
MOBILITY  
Refueling  
Vehicle features and options  
Warning  
Simultaneous charging and refueling poses a  
risk of fire if a sufficient safety distance from  
easily flammable materials is not maintained.  
There is a risk of injury or risk of damage to  
property. Do not fill the vehicle with fuel and  
charge it simultaneously.  
This chapter describes all standard, country-spe‐  
cific and optional features offered with the series.  
It also describes features that are not necessarily  
available in your vehicle, for instance, due to the  
selected options or country versions. This also  
applies to safety-related functions and systems.  
When using these functions and systems, the  
applicable laws and regulations must be ob‐  
served.  
Tank vent  
General information  
Concept  
The vehicle is equipped with a special fuel tank.  
The fuel tank is designed for special require‐  
ments that arise from hybrid operation of the ve‐  
hicle, i.e., alternating drive with combustion en‐  
gine or electric motor.  
Follow the fuel recommendation, refer to  
page 204, prior to refueling.  
To also ensure all engine functions under unfav‐  
orable conditions, for instance steep vehicle incli‐  
nations, at least 3 US gal/10 liters fuel should be  
refueled.  
General information  
Do not refuel unless the engine is at a standstill  
and the selector lever is in position P/N, other‐  
wise the buildup of pressure may cause the fuel  
nozzle to shut off prematurely.  
Excess pressure may build up in the fuel tank as  
a result of gasoline vapors; this pressure is dissi‐  
pated before the fuel cap is opened.  
Overview  
Safety information  
NOTICE  
With a driving range of less than  
30 miles/50 km the engine may no longer have  
sufficient fuel. Engine functions are not en‐  
sured anymore. There is a risk of damage to  
property. Refuel promptly.  
The button is located on the driver's side on the  
door armrest.  
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Refueling  
MOBILITY  
2. Turn the fuel cap counterclockwise.  
Venting the tank  
1. Switch off drive-ready state.  
2.  
Press the button to start the pressure  
equalization.  
The tank venting status is displayed in the in‐  
strument cluster. In rare cases, tank venting  
can last several minutes.  
When tank venting has finished, a message is  
displayed in the instrument cluster. The fuel  
filler flap is released for opening.  
3. Place the fuel cap in the bracket attached to  
the fuel filler flap.  
3. Open the fuel filler flap.  
If it is not possible to open the fuel filler flap  
after tank venting, press the button again.  
If it is still not possible to open the fuel filler  
flap even after pressing the button again, un‐  
lock the fuel filler flap manually, refer to  
page 202.  
Fuel cap  
Closing  
Opening  
Before opening, vent the tank.  
Warning  
1. Briefly press the rear edge of the fuel filler  
flap.  
The retaining strap of the fuel cap can be jam‐  
med and crushed during closing. The cap can‐  
not be correctly closed. Fuel or fuel vapors can  
escape. There is a risk of injury or risk of dam‐  
age to property. Pay attention that the retaining  
strap is not jammed or crushed when closing  
the cap.  
1. Fit the cap and turn it clockwise until you  
clearly hear a click.  
2. Press on the fuel filler flap until it engages.  
Emergency unlocking  
It may be necessary in certain situations to un‐  
lock the fuel filler flap manually, for instance with  
an electrical fault.  
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Refueling  
MOBILITY  
The release is located in the cargo area.  
1. Open the cover on the right side trim.  
Follow the following when  
refueling  
General information  
When refueling, insert the filler nozzle completely  
into the filler pipe. Lifting up the fuel pump nozzle  
during refueling causes:  
Premature switching off.  
Reduced return of the fuel vapors.  
The fuel tank is full when the filler nozzle clicks  
off the first time.  
2. Pull the green knob with the fuel pump sym‐  
bol. This releases the fuel filler flap.  
Make sure that the fuel cap is closed properly af‐  
ter refueling, otherwise the emissions warning  
light may light up.  
Follow safety regulations posted at the gas sta‐  
tion.  
Safety information  
Warning  
Simultaneous charging and refueling poses a  
risk of fire if a sufficient safety distance from  
easily flammable materials is not maintained.  
There is a risk of injury or risk of damage to  
property. Do not fill the vehicle with fuel and  
charge it simultaneously.  
3. Open the fuel filler flap.  
4. Carefully open the fuel cap. Excess pressure  
can build up in the fuel tank from gasoline va‐  
por.  
NOTICE  
Fuels are toxic and aggressive. Overfilling of the  
fuel tank can damage the fuel system. Painted  
surfaces may be damaged by contact with fuel.  
Escaping fuel can harm the environment. There  
is a risk of damage to property. Avoid overfilling.  
5. Refuel the vehicle as usual. The excess pres‐  
sure in the tank may make refueling difficult,  
for instance the fuel pump nozzle may shut  
off frequently.  
Have the vehicle checked immediately by a deal‐  
er's service center or another qualified service  
center or repair shop.  
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