You should always use premium gasoline in your BMW vehicle, but you might still have questions about the difference between premium and regular gas! In practice, the two types of gasoline are distinguished by their octane ratings. Read on to compare premium vs. regular gas on all the points that matter most and learn more about why BMW vehicles perform best with premium.
Like standard gasoline, premium gasoline is produced from crude oil. However, it goes through an additional process of refinement that results in an octane level of 90 or higher. Gasoline with a higher octane level is slightly more difficult to ignite; that is, it only ignites when it’s supposed to! It also burns more cleanly, which helps to keep your engine cleaner. Using premium gasoline may even reduce pollution in San Marcos and San Diego.
Regular gasoline—more specifically, regular unleaded gasoline—is the most common type of fuel for motor vehicles. Although it burns more cleanly than older types of gasoline that contain lead, it falls short of the standard set by premium. Regular gasoline generally has an octane rating of 87.
As we noted from the outset, the main difference between premium and regular gasoline concerns their octane levels! With a higher octane rating, the risk of engine knocking—or improper combustion—is much lower. This difference helps to protect high-compression engines and turbochargers from excess wear and tear; even though you technically can use regular gasoline in your BMW, doing so will put your investment at risk. Here’s what else you should know:
If you have any more questions about the differences between premium and regular gas, all you have to do is let us know! While you’re here, get the answers to other common service and maintenance questions with our team.
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