Bmw x3 what kind of gas

This starts with the type of gas that you use. BMWs need to be fueled with high-octane fuel. Cheap gasoline is also likely to be devoid of conditioners and beneficial additives , which help retain good engine function.

Fuel prices are always fluctuating and are steadily on the rise. The fuel itself isn't what's making a difference in power. That power loss is because the ECU pulled the power because it detected knock. You were likely safely running 89 but every time the ECU attempted to give back some timing it would see knock again and keep your power curbed. Just as you'd likely safely be able to run 89 in the BMW too Seems silly to me One of my favorite things is watching online misers talk about how they trip over dollars to save pennies on massively depreciating assets.

The fact premium fuel exists dispels any myths or urban legends about its purpose. Higher octane fuel prevents detonation and knocking, where a large force hammers down on your rods and bearings at the the worst possible moment causing mechanical wear and damage.

You have to pay to play, if you won't even put the recommended fuel in are you going to cut corners on maintenance expenses as well? I read up on this when I mistakenly filled up my 3 series with regular and just used up that tank and switched back to premium.

AFAIK the engine remaps itself to the new octane and reduces performance but is otherwise fine in the short term. As to whether it may cause long term harm, I have no idea. However I don't think you are reducing waste. This is because you might now get lower MPG and fill up a little sooner.

Cool down Mr. It is not a matter of money. It is a matter of waste. Post some proof. Run the experiment for the board, two tanks of regular, two tanks of premium. Private First Class. There is no detonation. You know that all modern engines have a knock sensors and will adjust the timing accordingly. I honesty knew that this came standard with most luxury vehicles so I was not checking for it Review another car.

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies. What type of gas do I buy for my x3 bmw. Report Follow. Mark helpful. Your Answer:. BMWs have been one of the most popular luxury cars on the market for over years. As with most luxury cars, they cost more to own than other vehicles.

Parts, maintenance, and even gasoline all come with a heftier price tag. Premium is higher octane, typically Regular gas is lower octane, usually 87 or