Can I mix 30 and 40 oil?

Can I use 5w40 instead of 5W-30 for BMW?

BMW says you can use an: 0w40, 0w30, 5w30 or a 5w40 LL-1 oil in the USA. Btw… you can also use a LL-4 rated oil where a LL-1 oil is spec’d, but not vice versa!

Can I use 5w40 oil instead of 5W30?

If you find yourself asking whether can I use 5w40 oil instead of 5w30, the answer is yes, in most cases. 5w40 oil is thicker than 5w30 oil, and provides better protection for your engine, particularly during cold starts.

What’s the difference between a 5W-40 and a Mobil 1 5W-30?

The Mobil 1 5W-40 is also a European oil, though you may find it at a Mercedes dealership. The American Mobil 1 5W-30 is on the thin side, being ACEA A1 and with an HTHS of 3.09. German engineers seem to like the ACEA A3 oils, which can be “thick ” 30 or “thin” 40 weight oils and which will have and HTHS over 3.5. Bottom line: Oil from dealer.

What’s the best oil for a BMW?

In my opinion this is the best oil you can put in your BMW if it requires non-synthetic oil. The only problem with Kendall is that it can be hard to get in the retail market. A good alternative would be Castrol GTX. This is the factory recommended oil and it works great and it is reasonably priced.

What is the best engine oil?

Royal Purple HMX High Mileage Synthetic Oil This is another full synthetic oil that provides superior wear protection for your engine. It also contains many additives and conditioners that can help restore your engine to its original condition. While it is fully synthetic, it does not last as long as some other options on the market.

What does 10w40 mean?

‘ 10W – 40 is used to describe the oil’s thickness. “W” stands for winter. The number before the “W” signifies the viscosity of an oil at low temperatures – for example before you start your engine. The number following the “W” indicates its viscosity at normal operating temperatures when the engine is running.

What does 10W40 oil mean?

Now, you can understand what 10w40 oil means. The 10w 40 oil will change its viscosity from 10 to 40 when the environment becomes warmer. To summarize, 5w30 oils mean that the oil acts as 5W in winter and SAE 30 in summer. For 10w40 oil, it acts as 10W oil in winter and SAE 40 in summer.

What does a 10 W engine oil number mean?

The 10 number indicates that the oil is thin at low temperatures and better able to operate in cold start and icy conditions. Castrol Magnatec offers fully synthetic engine oil and semi synthetic engine oil within its 10W – 40 range.

What temperature can a 10W40 engine be used at?

According to the SAE standards, 10w40 can be used at temperatures not lower than -25 degrees Celsius (-13 degrees Fahrenheit) according the 10, and the 40 as I said above is the viscosity of the engine at high temperatures (maximum temperature of +40 degrees Celsius, +104 degrees Fahrenheit).

What is the difference between 5 & 10 oil?

Both of these oils start with the number 10. This first number indicates the viscosity of oil at low temperatures. Usually, this number is designated for winter temperatures. As this first number goes lower, it flows easier in cold weather. Therefore, oils starting with the number 5 pour out faster than those with a 10 designation.

Can you mix 2 different brands of 5W-30?

Yes. It won’t harm your engine to mix, for example, Quaker State® motor oil with Pennzoil, as long as the oil you use is the weight (or viscosity) recommended in your vehicle owner’s manual.

Can you mix 5W30 oil with different brands?

Yes, you can mix 5w30 oil with different brands, but it is not recommended. The act is discouraged. But let us talk first about API or the American petroleum institute. Every API motor oil is mandated to be compatible. When we say compatible, all the motor oils must have a base and additives. The additives will form the oil base.

Can you mix different engine oil brands?

Mixing different oil brands may not cause a problem in the short term, but it’s not a good idea to mix different oil brands. Generally, premium engine oils are chemicals. So, it may not be a good idea to mix them.

Can you mix engine oil weights?

In general, mixing oil weights is not recommended. However, several viscosity grades are compatible and possible to mix, provided that they are under one motor oil brand. But still, doing so will produce a new viscosity that is not the same as the original oil in the engine or the original oil to be added.

Can a 5W engine oil be replaced?

The 5w is close to it as well. You can safely interchange or mix the oils. However, it’s better to replace them than to mix them. While your engine may not experience any issues, it’s better to stick with the manufacturer’s specifications.

What happens if you put 30 oil instead of 20?

Your engine needs to work harder to complete its tasks with the increased resistance of the thicker oil. The additional friction due to a thicker oil can slow down your internal combustion engine and produce problems like oil leaks, engine deposits, and sludge buildup.

What happens if you use 5W-30 oil instead of 5W-20?

If you put in 5W-30 oil instead of 5W-20 when the latter is the grade suggested by your vehicle’s manufacturer, damage to internal engine parts can occur. Additionally, your engine may experience performance issues such as diminished fuel economy and horsepower. An oil rating, such as 5W-20 and 5W-30, indicates the viscosity of the motor oil.

What is the difference between 30 and 30 weight oil?

The 30 represents “nnot thinner than 30 weight oil at operating temperatures. The only concern for newer engines would be how the systems sensors, actuators etc would work with the different oil viscosities. For example the VVT actuators may not work as well with the different oils. Trying won’t hurt except to hinder performance and fuel economy.

What is the difference between 0w30 and 0W20 motor oil?

While the 0w30 motor oil promises to protect your engine from tear, the 0w20 motor oil does this in a more outstanding and dramatic way. According to a study that was carried out with the 0w20 motor oil, it was revealed that this motor oil leaves your motor parts about four times (4×) smoother.

Does mixing motor oils affect the engine?

The truth is, mixing motor oils does not directly affect the engine, but yes, it does affect certain components in the engine bay. So, because you mistakenly poured 5w20 into your engine that uses 5w30 doesn’t mean you’d deal with a fatal engine breakdown while driving.

Can I use 10w40 instead of 5W-30?

A common question is whether it’s safe to use 10W-30 instead of 5W-30 oil, for example. While it’s best to use what’s recommended in your owner’s manual, inadvertently using a viscosity one grade higher or lower than what’s recommended generally poses no long-term harm.

What is the difference between 10W-40 and 5W-30 motor oil?

A 10w-40 motor oil is a thicker oil at startup than a 5w-30 motor oil. Therefore, 10w-40 oil clings to the engine’s moving parts more than the lower viscosity 5w-30 oil. The second number in the motor oil’s name describes the viscosity of the oil when the engine is warm and the oil reaches operating temperature.

Can I run all 10W40?

Heck you can run all 10w40 if you like. You migth lose a little gas milage but that is all. No one quart will not do any “damage”. Heck you can run all 10w40 if you like. You migth lose a little gas milage but that is all. Thanks. I did seem to notice that. It felt a little… “sticky” and the gas light was on before we got it home.

What kind of oil should I use for my engine?

If your engine needs 10w30 motor oil, you can try 15w30 motor oil if the temperature is warm. You can go with 5w30 motor oil if the weather is cold. If the temperature is freezing, then you can 0w40 motor oil. But the bottom line is that you should always use the recommended motor oil for your engine.

Is the 5W30 bad in mileage?

However, the 5W30 is not bad in mileage either. It works excellent and provides the best mileage in colder temperatures. Which one to choose – 10W40 vs. 5W30? The answer is, choose the one that your user manual says. This is the best option that could ever be for your engine.

Is all oil the same quality?

When it comes to choosing engine oil for your car, you might think “it’s just oil, surely they’re all the same?” Not only are there different types of oil, but they also differ in viscosity and additives which can have a significant impact on the performance and life of your engine.

Is all crude oil the same?

Not all crude oil is the same. Just as there are different types of crude oil derivatives — diesel, gasoline, kerosene (jet fuel), fuel oil, bunker fuel, plastics, synthetics, cosmetics, household products, etc., — there are different kinds of crude oil.

Why are crude oil from different locations of higher and lower quality?

The reason crude oils from different locations are of higher and lower quality is that of the geologic process that produces crude oil. Sulfur content and weight are the two qualities by which crude oil is typically judged. High-sulfur, heavy oils are the lowest quality and the least expensive on the global market.

What are the characteristics of crude oil?

Crude oils have different quality characteristics. Crude oils that are light (higher degrees of API gravity, or lower density) and sweet (low sulfur content) are usually priced higher than heavy, sour crude oils. This is partly because gasoline and diesel fuel, which typically sell at a significant premium to residual fuel oil and other “bottom…

What is the difference between synthetic and conventional engine oil?

As motor oil circulates through your vehicle’s engine, deposits form. Conventional oils form sludge from these deposits over time, reducing your engine’s efficiency and lifespan. Full synthetic oils, by contrast, contain fewer impurities and resist sludge and deposit formation.

How much oil should I add to my car?

Typically, engines need five to eight quarts of oil. However, the size of your engine can impact how much oil is required. For example, a 4-cylinder oil engine may require around five quarts of oil, whereas a 6-cylinder oil needs six quarts. Usually, the smaller the engine is, the less oil you’ll need for your vehicle.

How much engine oil should I add?

If you checked your Engine oil and found the level to be low, you should add a quart. Motor oil is sold in quarts, so if you grab a plastic bottle at your local gas station, you’ve got a quart. There are different types of motor oil, called “weights,” so check your car’s owner’s manual to see what they recommend.

How many quarts of oil do I Need?

For this reason, it’s crucial to ensure you know how many quarts of oil are in your car and how much you need for cooling and lubrication. Typically, engines need five to eight quarts of oil. However, the size of your engine can impact how much oil is required.

How do you know when to add more oil to your car?

You need to give the oil a few minutes to drain from the top of the engine down to the tank where the oil sits when the car isn’t running. Checking the level of your oil is essential for knowing whether you need to add more oil to your engine or not.

How much oil does a 4 cylinder engine take?

Generally, most cars have between 4 and 8 cylinders, so you can just use this as a general rule of thumb. For example, if you have a 4-cylinder engine in your car, it’ll take about 3.5 -4.5 liters of oil. For a 6 cylinder engine, it’ll take about 4.5 – 5.5 liters of oil. For an 8 cylinder engine, it’ll about take 5.5 – 7.5 liters of oil.

Can you put any oil in any car?

You can add any engine oil as long as it has the right specifications — preferably with an official approval of the OEM (Original Equipment Manufacturer). Not the brand, but the specification and viscosity indicated in your car’s manual are your reference for using the right oil.

Can you put synthetic oil in an old car?

Yes, You Can Put Synthetic Oil in a Classic or Just Plain Old Car It protects better, performs better, and lasts longer, and it’s no longer made with a chemical compound that could hurt older vehicles.

Should I add oil to my car?

While all vehicles are a little different, adding oil is something anyone can do with a little eye for detail and a willingness to get dirty. Adding oil, however, is not a substitute for getting your oil changed. Check oil after the car rests for 5 minutes by popping the hood and pulling out the car’s dipstick.

How do I choose the right engine oil?

It is important to choose the right engine oil for your car. The wrong oil can cause damage to your engine and may void your warranty. Check your owner’s manual or the oil label on your car to find the recommended oil type and weight. There is a very fine line between what you want the oil for and what you should use it for.

What kind of oil do I need for my car engine?

Modern car engines need oils that are really durable, and last for thousands of miles between services. Modern oils protect against corrosion and sludge formation, and contain detergent additives to keep the engine clean. Later specification oils are usually, but not always, suitable for older cars,…

Does different oil affect performance?

Engine Oil DOES Affect Performance The oil you choose for your car’s engine makes a difference in its economy and power production. Engine oil viscosity is the main focus here, and it all boils down to the basic laws of physics. The lower the engine oil viscosity, the better.

Does oil change affect performance?

So the basic answer to the question does oil change affect performance is pretty easy. Old oil will reduce engine performance, lower its horsepower, reduce its mileage and eventually shorten its life. Be sure to get your oil change in accordance with the recommendations of your vehicle owner’s manual.

Does engine oil viscosity matter?

Wonder no longer. The oil you choose for your car’s engine makes a difference in its economy and power production. Engine oil viscosity is the main focus here, and it all boils down to the basic laws of physics. The lower the engine oil viscosity, the better.

How does oil sludge affect performance?

Without the right viscosity, the oil loses the essential ability to get where it needs to go in the engine. The engine runs hotter and less efficiently, robbing the engine of both gas mileage AND horsepower. How Sludge Affects Performance. Old oil past due for a change is a recipe for developing oil sludge.

What happens if your engine oil breaks down?

As mentioned before, over time, your engine oil begins to break down and wear out. This causes the oil to become increasingly less effective at lubricating and absorbing heat. If your oil continues to run through your engine unchanged, you’ll begin to face a laundry list of problems.

Does engine oil brand matter?

The Effects of Low Quality Motor Oil Whether you choose to change your car’s oil with a bargain brand or a brand you trust, both choices will have immediate and long-term effects on your vehicle. Engine oil is one of those products – like light bulbs – where lower-cost truly does mean lower quality.

What are the two common types of engine oil?

There are four basic classes of engine oil when it comes to proper car maintenance.

• Conventional Motor Oil. Conventional motor oil is the most common type of motor oil. …
• High-Mileage Engine Oil. …
• Synthetic Motor Oil. …
• Synthetic Blend Motor Oil.

What are the different types of motor oil?

As you can see from our list, the three main types of motor oil are conventional oil, synthetic blends, and full synthetic engine oil. Conventional motor oil is made from crude oil and has been around for ages. It does a fine job of protecting your engine and it does so at a lower cost than synthetic oil and synthetic motor oil blends.

What kind of oil should I use in my car?

From one of the OG motor-oil brands, this synthetic oil is great for use in most domestic cars with 75,000-plus miles. Royal Purple’s API-licensed motor oil delivers superior protection and can improve performance in gasoline and diesel engines.

What is semi-synthetic engine oil?

Semi-Synthetic oil offers the affordability of mineral and the performance of synthetic. This kind of engine oil provides as much as three times the protection compared to mineral oils. Semi-synthetic oil is also known as synthetic blend oil. Here, a small amount of synthetic engine oil is mixed in with mineral oil.

What are mineral engine oils?

Mineral engine oils are derived from the refining of crude petroleum. During the process, natural contaminants and unwanted hydrocarbons are removed. Mineral oils are ideal for older vehicle models. They offer the advantage of low cost. However, mineral oils flow through the engine circuit more slowly.

Can car oil last 2 years?

Simply put, the shelf life of conventional motor or “lube” oil is up to five years. It’s not something that goes bad in a couple of months. It’s impossible to predict exactly how long motor oil shelf life is because petroleum stability (how well it resists change in its properties) is situation-dependent.

How long does motor oil last?

The motor oil’s shelf life recommended by each manufacturer varies, though. For example, Mobil expects industrial or motor oils to last for five years if stored properly in the original container. Meanwhile, Total, another leading manufacturer, says motor oil should be disposed of after only two years if not used.

Does engine oil go bad after sitting unused?

Does Oil Go Bad After Sitting Unused Inside an Engine? The short answer is yes, oil does go bad after sitting unused inside an engine – at least according to the manufacturer. Believe it or not, even unopened, perfectly sealed engine oil inside jugs does have a shelf life – 5 years to be exact.

When should I change the oil on my car?

As we said, if it has been more than 6 months since your last oil change, even if your vehicle has been in storage for that long, then you will need to change the oil. Simple as that. Don’t even bother looking at the oil. Just change it.

Do synthetic oils expire?

Synthetic oils can still expire when not used for extended periods of time, though, and will need to be correctly stored – as with traditional motor oils. Most of the benefits will actually be for the car when used in the engine. Some additives in synthetic oils will make storing them easier, especially the temperature-fighting components.