Why Does BMW Recommend Shell?

Does 98 octane clean the engine?

Octane is the measure of a fuel’s ability to resist the phenomenon known as ‘knocking’, not its cleaning ability.

Knocking is the uncontrolled combustion of fuel that can destroy engine internals..

Is a BMW expensive to maintain?

According to their data, BMWs are the most expensive make to maintain by far, with a 10-year cost of $17,800. They found luxury brands are generally the most expensive to own over the long haul, but far less flashy vehicles ranked high too—including a few brands that have been retired since the data was compiled.

Will e85 hurt my engine?

E85 gasoline for use in Flex Fuel vehicles contains 85% ethanol, meaning it’s only 15% gasoline. While using it in a regular car can cause reduced performance, and you might see the check engine light turn on, you’ll generally be fine.

Which gas is better 87 89 or 93?

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.

Is it OK to put regular gas in a premium car?

If you mistakenly fill up with regular fuel, your car’s ECU will adjust engine timing and performance to work with the lower-octane fuel. In most cases, this is ok for the times when there are no premium pumps around, but it’s not ideal to run the cheapest fuel possible for extended periods of time.

Is premium gas a waste of money?

Unless your engine is knocking, buying higher octane gasoline is a waste of money. Premium gas costs 15 to 20 cents per gallon more than regular. … In fact, in most cases, using a higher octane gasoline than your owner’s manual recommends offers absolutely no benefit.

What gasoline does BMW recommend?

unleaded fuelNo 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.

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.

Do cars actually need premium gas?

In many cases, the answer is probably no — you’ll likely be able to use regular fuel with no noticeable issues except for minor losses in performance and gas mileage. If your owner’s manual says that premium fuel is required, then you should do it, but your car won’t blow up if you occasionally opt for regular.

Do luxury cars need premium gas?

Luxury Cars require premium gas to function at higher fuel efficiency and to maximize their speed and performance. While you could use regular gas in a luxury car, using it long term will cause your engine to experience extra wear and could potentially void your warranty.

Can high octane fuel damage an engine?

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. … But if the vehicle manufacturer says your engine needs only 87-octane regular, that is what you should use.

Can putting the wrong gas in a car damage it?

Typically, although there are some variations among engines, putting a higher-octane gas into your car than it requires will neither help nor hurt your car’s performance. … This mistake should not cause any major damage to your car – just be sure to pick the correct octane gasoline next time you fill up.

Why is Shell more expensive?

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.

Is 89 octane OK for 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 the wrong gas in a BMW?

If you put 87 or 89 Octane rating gasoline instead of the 93 Octane rating for BMW, it won’t hurt your car. But other diesel, E85 or any wrong fuels, your BMW gas tank needs to be drained, all the fuel lines need to be flushed.