Can the BMW R 1250 GS use 92 octane gasoline?

1 Answers
VanJourney
07/30/25 8:39am
It is not recommended to use 92 octane gasoline. If a vehicle that requires 95 octane gasoline is filled with 92 octane, engine knocking may occur. This happens because using lower-octane fuel can cause resistance in the engine piston's upward movement, reduce engine efficiency, and lead to abnormal combustion of gasoline in the cylinders, resulting in noise and vibration. The issue stems from the different octane ratings of gasoline—the octane number measures a fuel's resistance to knocking. Higher-octane gasoline has better anti-knock properties. Due to its superior anti-knock performance, high-octane gasoline allows for smoother compression strokes in the engine. When the air-fuel mixture ignites during the power stroke, the better-compressed mixture burns more efficiently. With the same amount of fuel injection, each drop of gasoline burns more effectively, producing greater energy output.
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