Bmw 645Ci Coupe 2005 Bedienungsanleitung PDF herunterladen (Seite 168)

Mobility

167

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Fuel specifications

The engine uses unleaded gasoline only.

Required fuel

Premium unleaded gasoline

The minimum octane rating is 91.

If you use gasoline with this minimum octane

rating, the engine may produce knocking

sounds when starting at high outside tempera-

tures. This has no effect on the engine life.

Minimum Octane Rating corresponds to the

Anti Knock Index AKI and is determined accord-

ing to the so-called (R+M)/2 method.

Do not use leaded gasoline, as otherwise

the lambda probe and catalytic converter

will be permanently 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% ethanol or other

oxygenates with up to 2.8% oxygen by weight,

that is, 15% MTBE or 3% 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

drivability, starting and stalling problems,

especially under certain environmental condi-

tions 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.

Failure to comply with these recommendations

may also result in unscheduled maintenance.<

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Bmw 645Ci Coupe 2005 Bedienungsanleitung Seite 168