2009 BMW 1 Series Owner's Manual - Page 107

2009 BMW 1 Series Manual

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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. 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 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 co-solvent, will not void the applicable warranties with respect to defects in materials or workmanship. The use of poor-quality fuels may result in driveability, starting and stalling problems especially under certain environmental conditions such as high ambient temperature and high altitude. Should you encounter driveability 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. Driving tips 105 Online Edition for Part no. 01 41 2 600 853 - © 08/08 BMW AG Reference Mobility Controls At a glance catalytic converter. 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 damaged.

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Reference
At a glance
Controls
Driving tips
Mobility
105
catalytic converter.
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.
<
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 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 10
Ξ
ethanol or other
oxygenates with up to 2.8
Ξ
oxygen by weight,
that is, 15
Ξ
MTBE or 3
Ξ
methanol plus an
equivalent amount of co-solvent, will not void
the applicable warranties with respect to
defects in materials or workmanship.
The use of poor-quality fuels may result in
driveability, starting and stalling problems
especially under certain environmental condi-
tions such as high ambient temperature and
high altitude.
Should you encounter driveability 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.
Online Edition for Part no. 01 41 2 600 853 - © 08/08 BMW AG