What happens if you 87 instead of 89?
Using a higher octane than necessary
If you opt for a higher octane than your manual recommends—say, 89 instead of 87—your car will be perfectly fine, an article on AAMCO’s blog explains. It will not, however, improve your car’s mileage or give it any sort of extra performance boost, according to Car Talk.
Can you mix 89 and 87 gas?
Is it okay to mix 87 octane and 89 octane fuel together in my car? 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.
Does 89 octane make a difference?
Regular gas is rated at 87 octane in most states, while premium gas is often rated higher at 91 or 93. Fuel with a higher octane rating can stand up to higher compression before it detonates. Essentially, the higher the octane rating, the lower the likelihood that detonation happens at the wrong time.
What is the point of 89 octane gas?
If you have a modern car with knock sensors and variable spark and/or valve timing, that is designed for this, then 89 can give you a little more power and efficiency than 87 but not as much as premium. But really, you’re better off following the recommendation in your owner’s manual.
Can you put 89 gas in a Mercedes?
All Mercedes–Benz gasoline cars require Premium Unleaded Gas. At a minimum, you should use premium 91 octane gasoline or higher. Avoid using low octane gas such as: Plus Midgrade Unleaded Octane 89.
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 .
What happens if you put 87 gas in a BMW?
High octane fuel can withstand higher compression than lower octane fuels. 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.
What gas do I put in a 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.
Can you use 87 octane in a BMW?
All performance testing, including EPA emissions and fuel mileage, is done with 91 octane. However, though BMW is all about performance, their motors will run on 89 or 87 octane without damage.
Does 87 octane damage engine?
“Use premium unleaded gasoline with a posted octane rating of 91 or higher. If the octane rating is less than 91, you could damage the engine and may void your vehicle warranty. They usually warn that using lower-octane gas could reduce performance and fuel economy.
What happens if you put 93 instead of 87?
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.
Why does BMW recommend shell?
What is it about Shell that they like? Because Shell paid more money to be the official fuel recommended by BMW. It’s all about the marketing dollars and has nothing to do with the product being good, bad, or better. Because Shell paid more money to be the official fuel recommended by BMW.
Does BMW recommend Shell gas?
And Shell V-Power will be the recommended fuel for the BMW M Automobiles. The fuels alliance means Shell V-Power Gasoline and Shell V-Power Diesel are recommended for the BMW M Automobiles recognising more than 100 years heritage in innovation and fuels leadership.
Why is Shell gas more expensive?
Since most end product stations have equal research, they can produce similar additives. The most likely scenarios for Shell gasoline to be more expensive is that their additive is more expensive to add, or that other stations are using the base gasoline from the local distributor refinery.
Which gas is best Shell or BP?
Shell had the most additives for premium while between Shell and BP regular and medium were practically neck and neck. Exxon was lower by a good margin but still fine gas being top tier and all.