Posted on 3/4/2026
If you are a BMW driver, then you must have seen in your manual as well as on the sticker located at the inner surface of the flap of your fuel tank that you should be using a 91 octane fuel or higher. You may now be wondering - does your BMW actually need premium gasoline? Is it possible to use just any octane? Or is this just another strategy to sell that type of gas? If you are lost in thought and unsure whether a higher octane fuel really makes a difference in your BMW, this article is for you. Choosing the right fuel is not just a matter of following instructions, it is about protecting your engine and preventing expensive repairs. What Does Octane Mean? Octane is a measure of the fuel’s ability to prevent knocking, or pre-detonation of the air/fuel mixture in the engine. When fuel ignites before the required time within the cylinder, it re ... read more