Gasoline comes in different octane ratings, and it is important to use the right kind in your vehicle. Many people wonder if they can put 89 gasoline in their BMW. To ensure that your BMW is running correctly, it is essential to know what type of gas is best for it. This article will provide an overview of when you should opt for 89 gas and when it would be better to use a different octane rating.
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89 Gas does not contain ethanol, so it will not hurt your BMW. As others have said, 89 is the minimum recommended Gas and you should use 91 Gas if your car recommends it.
you should check the user manual to see what gas your BMW model recommends.
What is meant by gas number?
The gas number is a measure of the fuel’s octane rating.
| Regular Gas | Mid-grade gas | Premium gas |
| 87 | 89-90 | 91+ |
Why is the Gas rating important?
The Gas rating is important because it indicates a fuel’s ability to resist “knocking” or “pinging” during combustion, caused by the air/fuel mixture detonating prematurely in the engine. In the U.S., unleaded gasoline typically has octane ratings of 87.
Is it bad to use 91 octane fuel?
When your Car requires 91 octane fuel and you use 87 octane fuel, it will affect how well your car runs. An octane rating is a standard measure of the performance of engine gasoline. Gasoline with a higher octane rating will resist “knocking” or “pinging” during combustion.
Higher octane gasoline burns slower and is designed for high-performance engines. … It all has to do with the combustion of the gas in the engine. The higher the octane rating, the slower the fuel burns, and less heat and pressure are produced in the combustion chamber.
Can I mix 89 and 91 gas?
You Can be Mixed 89 and 93 gas. But it will be mid-grade or you will end up with an octane rating of 91. the grade number is given at the fuel pump. My suggestion is Don’t mix it up. I also used it like this, If your Car needs 93 gas and you mixed up then It’s good to know that Slowly But Surely Its Damages your Engine.
“Use premium gas” has become common advice from carmakers to get the most power and fuel economy from your engine. … But if you have a car that recommends or requires 89-octane gas, it is best to use that. An octane rating, or octane number, is a standard measure of the performance of an engine or aviation gasoline
Does 91 Gas reduce carbon build up?
Higher Octane does not offset the poor design of the Direct Injection engines when it comes to Carbon Build Up. … This is why you have carbon build up on the intake valves of high performance DI engines, regardless of what octane rating gasoline you use. Carbon Build Up is not caused by the fuel.
which BMW models Require Premium gas?
Most BMW models require you to use premium unleaded gasoline with a minimum octane rating of 91. Using a lower octane gasoline can lead to engine knocking and reduced performance. … Using a higher octane gasoline will not provide any benefit over the recommended premium unleaded gasoline.
| 2019 | BMW | 5 Series | M550i xDrive 4dr Sedan AWD (4.4L 8cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | 6 Series Gran Coupe | 640i 4dr Sedan (3.0L 6cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | 6 Series Gran Coupe | 640i xDrive 4dr Sedan AWD (3.0L 6cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | 6 Series Gran Coupe | 650i 4dr Sedan (4.4L 8cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | 6 Series Gran Coupe | 650i xDrive 4dr Sedan AWD (4.4L 8cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | 7 Series | 740i 4dr Sedan (3.0L 6cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | 7 Series | 740i xDrive 4dr Sedan AWD (3.0L 6cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | 7 Series | 750i 4dr Sedan (4.4L 8cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | 7 Series | 750i xDrive 4dr Sedan AWD (4.4L 8cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | 7 Series | M760i xDrive 4dr Sedan AWD (6.6L 12cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | ALPINA B6 Gran Coupe | xDrive 4dr Sedan AWD (4.4L 8cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | ALPINA B7 | xDrive 4dr Sedan AWD (4.4L 8cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | i8 | 2dr Convertible AWD (1.5L 3cyl Turbo gas/electric hybrid 6A) | premium unleaded |
| 2019 | BMW | i8 | 2dr Coupe AWD (1.5L 3cyl Turbo gas/electric hybrid 6A) | premium unleaded |
| 2019 | BMW | M2 | Competition 2dr Coupe (3.0L 6cyl Turbo 6M) | premium unleaded |
| 2019 | BMW | M4 | 2dr Convertible (3.0L 6cyl Turbo 6M) | premium unleaded |
| 2019 | BMW | M4 | 2dr Coupe (3.0L 6cyl Turbo 6M) | premium unleaded |
| 2019 | BMW | M4 CS | 2dr Coupe (3.0L 6cyl Turbo 7AM) | premium unleaded |
| 2019 | BMW | M5 | 4dr Sedan AWD (4.4L 8cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | M5 | Competition 4dr Sedan AWD (4.4L 8cyl Turbo 8A) | premium unleaded |
| 2019 | BMW | M6 Gran Coupe | 4dr Sedan (4.4L 8cyl Turbo 7AM) | premium unleaded |
Final Thought
Ultimately it comes down to using premium gas instead of regular gas
- First, premium gas has a higher octane rating, which means it can withstand higher temperatures before igniting. This can be helpful in preventing engine knock, which can damage your engine.
- Second, premium gas typically contains more detergents than regular gas, which can help keep your engine clean.
Finally, using premium gas can improve your gas mileage because it burns more efficiently.
