Putting low octane fuel in a car with a high-compression engine could cause the engine to knock or ping, which could cause major damage if it goes on for a long time.
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BMW, for example, recommends that all the cars it sells in the United States use premium fuel, but they will run on regular. “There generally isn’t any harm done to the engine by using lower-octane fuel,” said a BMW spokesman, Thomas Plucinsky.3 août 2008
What gas does BMW 330i take?
Compare Side-by-Side2020 BMW 330iEPA Fuel EconomyPremium Gasoline30 MPG 26 36 combined city/highway city highway3.3 gal/100mi468 miles Total Range7 autres lignes
What happens if you put 87 instead of 91?
If you usually fill your tank up with 87-octane gasoline and you accidentally put in a higher octane blend (say, 91, 92, or 93), don’t worry. You’re actually filling your car or truck with a different blend of gas, which means it will burn differently in your engine.9 nov. 2015
Do BMWS break down a lot?
When their needs are met, however, it’s very rare that they’ll break down and are just as dependable as any other car. Cliff notes: proper maintenance is KEY. It’s not cheap and they require more than most cars but bmws are not, when properly cared for, unreliable.
Can I put 93 in my BMW?
BMW requires 91-octane fuel at a minimum, with 93 recommended, so we did just that, switching between the common forms of premium gas depending on which state you’re in.4 août 2019
Can I put 89 gas in my BMW?
BMW states that the minimum AKI Rating is 89 in their manual so the engine should be fine with that fuel. This is what BMW’s manual states: Quote: The minimum AKI Rating is 89 .15 fév. 2021
What kind of gas should I put in my BMW?
No matter your model, BMW recommends using only premium-unleaded fuel. That’s not to say your BMW won’t run on lower-grade fuel, but premium-unleaded fuel will maintain its quality in the long run, letting you drive at peak performance consistently.8 jan. 2020
Using regular gas in an engine that requires premium could void your warranty. That is most likely to happen if using regular causes severe engine knock or pinging (premature ignition of the fuel, also known as detonation) that damages the pistons or other engine parts.28 mar. 2016
Can I put 89 gas in my BMW x3?
Yes. You will not harm your car by mixing different octane grades of the same gasoline providing your car’s engine is designed to run on less than 89 octane fuel and you are not using E85 in a non-E85 compatible engine. Most gas stations that sell 87 , 89 and 91 octane gas use what is called a mixer pump.17 fév. 2021
The octane rating of gas your car runs best on depends on how the engine is designed. … But using higher octane gas than your car requires isn’t actually better for your car. The FTC sums it up this way: “In most cases, using a higher octane gasoline than your owner’s manual recommends offers absolutely no benefit.”25 mai 2018
If your car doesn’t require premium, fill up with regular. In a consumer notice, the Federal Trade Commission, notes: “In most cases, using a higher-octane gasoline than your owner’s manual recommends offers absolutely no benefit. It won’t make your car perform better, go faster, get better mileage or run cleaner.”11 jan. 2020
Premium gives better gas mileage Because premium gas has a higher octane rating than midgrade or regular gas, it produces a little more power when burnt. Designed for performance cars with large, powerful engines, premium also helps minimize the risk of preignition inside highly-stressed, hot engine cylinders.27 jui. 2012
The main difference with premium is its octane rating — 91 or higher compared with 87 for regular octane. The higher octane gives premium gas greater resistance to early fuel ignition, which can result in potential damage, sometimes accompanied by audible engine knocking or pinging. … Premium gas is not “stronger” gas.6 avr. 2016
Is it bad to mix gas from different stations?
Gas stations use different additives in most cases, but there is nothing wrong with mixing stations, or even octane ratings. If you mix 93 and 87 you get 90, mix 89 and 93 you get 91.26 oct. 2011