Fuel Specifications; Fuel Tank Capacity - BMW 3 SERIES Owner's Manual

Convertible
1. Loosen the right-hand cargo area trim panel
by turning the screws by 90°, see arrow.
2. Slightly lift the top section of the panel. It is
not necessary to remove the entire panel.
3. Pull the knob with the fuel pump symbol.
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
>
Premature pump shutoff
> Reduced efficiency of the fuel-vapor recov-
ery system.
The fuel tank is full when the filler nozzle clicks
off the first time.

Fuel tank capacity

Approx. 16.1 US gal/61 liters, including the
reserve capacity of 2.1 US gal/8 liters.
Refuel as soon as possible once your
cruising range falls below 30 miles/
50 km; otherwise, engine functions are not
ensured and damage can
Online Edition for Part no. 01 40 2 609 312 - © 08/11 BMW AG
occur.<
Refueling

Fuel specifications

Gasoline engine: required fuel
Never use fuels labeled at the fuel pump as
metal-containing.
Do not use leaded gasoline or gasoline
with metal-containing additives doing so
can cause permanent damage to the catalytic
converter or other components.<
Do not fill the tank with E85, i.e. fuel con-
taining 85Ξ ethanol, nor with FlexFuel.
Otherwise, the engine and fuel supply system
will be damaged.<
Super Premium Gasoline/AKI 91
BMW recommends AKI 91.
Gasoline with lower AKI
The minimum AKI Rating is:
> 328i/xDrive: 87
> 335i, 335i/xDrive: 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.<
Mobility
175