Refueling
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Refueling
Note when refueling
In contrast to the descriptions in the Owner's
Manual for the BMW Z4, please take note of the
following differences for your BMW Z4 M Road-
ster/Z4 M Coupe.
Fuel tank capacity
Approx. 14.5 US gallons/55 liters, including the
reserve capacity of approx. 2.6 US gallons/
10 liters.Do not drive until the tank is empty. Oth-
erwise, the engine may not operate prop-
erly and damage could result. <
Fuel specifications
Do not fill the tank with leaded fuel, as this
would cause permanent damage to the
catalytic converter.
Do not fill the tank with E85, i.e. fuel that con-
tains 85 % ethanol, nor with Flex Fuel, as this
would cause damage to the engine and fuel
supply system. <
Required fuel
Super Premium Gasoline/AKI 93
Always use this premium grade fuel to obtain
maximum fuel economy and performance.
The minimum approved fuel grade is AKI 91.
Do not fill the tank with gasoline below the
specified minimum grade; otherwise
engine damage could result. <
