Fuel specifications

Never use fuels labeled at the fuel pump as metal-containing.

metal-containing additives such as manganese or iron; doing so can cause permanent Do not use leaded gasoline or gasoline with metal-containing additives such as manganese or iron; doing so can cause permanent damage to the catalytic converter or other components.

85 Ξ ethanol, nor with FlexFuel. Do not fill the tank with E85, i.e. fuel containing 85 Ξ ethanol, nor with FlexFuel.

Otherwise, the engine and fuel supply system will be damaged.

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:

> 128i: 87
> 135i: 89

If you use gasoline with this minimum AKI Rating, the engine may produce knocking sounds when starting at high outside temperatures. This has no effect on the engine life.

minimum fuel grade. Otherwise, the engine could be damaged. Do not use any gasoline below the specified minimum fuel grade. Otherwise, the engine could be damaged.

Use high-quality brands

Field experience has indicated significant differences in fuel quality: volatility, composition, additives, etc., among gasolines offered for sale in the United States and Canada.

Fuels containing up to and including 10 Ξ ethanol or other oxygenates with up to 2.8Ξ oxygen by weight, that is, 15 Ξ MTBE or 3 Ξ methanol plus an equivalent amount of cosolvent, will not void the applicable warranties with respect to defects in materials or workmanship.

drivability, starting and stalling problems especially under certain environmental The use of poor-quality fuels may result in drivability, starting and stalling problems especially under certain environmental conditions 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.

Failure to comply with these recommendations may also result in unscheduled maintenance.

Failure to comply with these recommendations may also result in unscheduled maintenance.

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