2004-2011 BMW 1 Series 4 Door Mobility -> Refueling User Manual
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Mobility -> Refueling for Your BMW 1 Series 4 Door First Generation (2004-2011)

Refueling  
Always switch off the engine before refu-  
eling; otherwise, fuel cannot be added to  
1. Remove the cover from the right-hand side-  
wall of the cargo area.  
the tank and a message will be displayed.<  
Take all precautionary measures and  
observe all applicable regulations when  
handling fuel. Do not carry any spare fuel con-  
tainers in your vehicle. They can develop a leak  
and cause an explosion or cause a fire in the  
event of an accident.<  
Fuel filler flap  
2. Pull the button with the fuel pump symbol  
down.  
Opening  
The fuel filler flap is released.  
Observe the following when refueling  
When handling fuels, follow the safety  
instructions provided at filling stations;  
otherwise, there is a risk of personal injury or  
property damage.<  
When refueling, insert the filler nozzle com-  
pletely into the filler pipe. Avoid lifting the filler  
nozzle while filling the tank, as that would lead  
to  
1. Open the fuel filler flap. To do so, lightly  
press the rear edge.  
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premature pump shutoff  
2. Turn the gas cap counterclockwise.  
reduced efficiency of the fuel-vapor recov-  
ery system.  
3. Place the gas cap in the bracket attached to  
the fuel filler flap.  
The fuel tank is full when the filler nozzle clicks  
off the first time.  
Closing  
Fit the cap and turn it clockwise until you clearly  
hear a click.  
Fuel tank capacity  
Approx. 14 US gallons/53 liters, including the  
reserve capacity of 2.1 US gallons/8 liters.  
Do not pinch the band attached to the  
cap; otherwise, the cap cannot be closed  
properly and fuel vapors can escape. A mes-  
sage will be displayed if the gas cap is loose or  
missing.<  
Refuel as soon as possible once your  
cruising range falls below 30 miles/  
50 km; otherwise, engine functions are not  
ensured and damage can occur.<  
Manually releasing the fuel filler flap  
In the event of a malfunction, you can release  
the fuel filler flap manually:  
Fuel specifications  
Do not fill the tank with leaded fuel, as this  
would cause permanent damage to the  
188  
 
catalytic converter.  
Failure to comply with these recommendations  
Do not fill the tank with E85, i.e. fuel containing  
85% ethanol, nor with FlexFuel. Otherwise, the  
engine and fuel supply system will be dam-  
aged.<  
may also result in unscheduled maintenance.<  
Required fuel  
Super Premium Gasoline/AKI 91  
This gasoline is highly recommended.  
However, you may also use gasoline with less  
AKI. The minimum AKI Rating is:  
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128i: 87  
135i: 89  
If you use gasoline with this minimum AKI Rat-  
ing, the engine may produce knocking sounds  
when starting at high outside temperatures.  
This has no effect on the engine life.  
Do not use any gasoline below the speci-  
fied minimum fuel grade. Otherwise, the  
engine could be damaged.<  
Use high-quality brands  
Field experience has indicated significant dif-  
ferences in fuel quality: volatility, composition,  
additives, etc., among gasolines offered for sale  
in the United States and Canada. Fuels contain-  
ing up to and including 10Ξ ethanol or other  
oxygenates with up to 2.8Ξ oxygen by weight,  
that is, 15Ξ MTBE or 3Ξ methanol plus an  
equivalent amount of cosolvent, will not void the  
applicable warranties with respect to defects in  
materials or workmanship.  
The use of poor-quality fuels may result in  
drivability, starting and stalling problems  
especially under certain environmental condi-  
tions such as high ambient temperature and  
high altitude.  
Should you encounter drivability problems  
which you suspect could be related to the fuel  
you are using, we recommend that you respond  
by switching to a recognized high-quality brand  
such as gasoline that is advertised as Top Tier  
Detergent Gasoline.  
189  
 

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