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Refuelling Fuel grade
Closing the tank cap:
Fit the tank cap and turn clockwise until
it is clearly heard to click into place
(bayonet catch).
Fuel tank capacity: approx. 70 litres
(approx. 15.4 Imp. gal.), including
reserve capacity:
>
with 4- and 6-cylinder engine:
approx. 8 litres (approx. 1.8 Imp. gal.)
>
with 8-cylinder engine: approx.
10 litres (approx. 2.2 Imp. gal.)
Use unleaded fuel
The engine requires exclusively
unleaded fuel, which may be of the
ultra-low sulphur type. Since the
engines have a knock control function,
they can run on different grades of fuel.
Your BMW's engine is rated to run on:
>
Super Plus/premium plus fuel
(octane number 98, Research
Method)
.
Fill up with petrol of this grade when-
ever possible, so that the nominal
performance and fuel consumption
values are achieved.
You can also run the engine on:
>
Premium-grade unleaded fuel
(octane number 95, Research
Method).
This fuel is also known as:
DIN EN 228 or Euro-Super.
The minimum permissible grade is:
>
Regular-grade unleaded fuel
(octane number 91 RON).
Never use fuel containing lead,
as the oxygen sensor and the
converter will otherwise be permanently
damaged.
<
National-market versions
supplied to run on leaded fuel
*
In addition to the grades listed on the
left, you can run the engine on leaded
fuel. The minimum grade is likewise
91 RON.
Diesel engines
>
Diesel oil to DIN EN 590 standard.
Do not use rapeseed oil methyl
ester (RME) or Biodiesel, or you
risk damaging the engine.
<
Winter-grade diesel
To ensure that the diesel engine oper-
ates reliably during the cold season of
the year, it must be run on winter-grade
diesel oil, which garages usually sell
during the period in question. Fuel filter
heating is installed as standard equip-
ment to prevent the fuel from solidifying
during operation.
No additives may be used, as
these could cause damage to the
engine.
<
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