Can I Use Semi Synthetic Oil In My BMW?

The best oils are synthetic, which means that every component was created. Mineral oil is combined with semi-synthetic oils. For its contemporary models, BMW exclusively suggests using entirely synthetic oils.


A semi synthetic has 10–20%, I believe, of Group 3 base oil.

100% of base oils used in full synthetics are from Group 3 or Group 4. TWS is made with Group 4 ingredients.

TWS is by far superior in terms of lubrication to a Motul Semi Synthetic, and cannot even be compared to it. For instance, a ton of standard group 1 base oil costs $1300. Groups 3 and 4 have prices per ton of around $2300 and $3500, respectively. We would, I’m sure, if oil corporations could obtain the same lubricating qualities with group 1s.

Your dealer clearly has Motul on hand, either in large quantities or in 210L drums. He wants to sell it to you, of course.

What Type of Oil Should I Use for a BMW?

A car requires oil to function, at the end of the day. Yes, any oil will do the trick, however certain oils are specifically considered while designing engines. Because of this, almost all BMW owner’s manuals will advise using “BMW synthetic” oil. Thus, synthetic oil is not only preferable to regular oil but is also specifically created by BMW to increase the efficiency of their vehicles.

It’s too late to take back the non-synthetic oil that my neighbor brought me for her oil change; I’m combining 5 quarts of non-synthetic 5w30 with 2 quarts of completely synthetic 5w30. She will get her next oil change at a 5k OCI, per my request.

Will this damage the engine? “The seals” etc. rings She wants to make ends meet while being heavily in debt. It’s a 2007 BMW 328xi.

Better do an engine flush when changing the oil every 5,000 miles to remove any debris before adding quality oil.

And the majority of the LL01-rated synthetic oils, or GTL, are made from a G3 base stock. To match the new specifications, even a standard SN is probably a mixture of base and G3 stocks.

Oils have advanced considerably. One of the best-rated “standard” lubricants available is Pennzoil Yellow Top, which can travel 10K in a 328 and even 5K under moderate driving conditions.

I’m not sure what I’m missing, but given that Castrol LL-01 costs $22.97 at Walmart, isn’t that the amount at stake? Why not simply add the right oil? The expense of taking a family to Chik-fil-A for lunch exceeds $23. There must be additional information. And this is a forum where people have frequently complained that Mobil 1 ll 01 was subpar? Dino juice is perfect right now. Odd

Due to the use of prolonged OCIs, BMW suggests synthetic oil. Using non-synthetic oil in an engine is OK as long as it complies with the manufacturer’s specifications. Therefore, I would consult the owner’s manual to determine the API/SAE spec requirements for the engine. SAE 5W-40 or 5W-30 and API SH (or higher) are mentioned in my 2008 Z4 manual. The Penzoil is probably API SJ, so it fits. It should be noted that the owners manual permits the use of non-BMW approved synthetic in minimal amounts between adjustments.

My main worries are whether she purchased the proper MANN oil filter or some aftermarket junk filter that won’t fit if she purchased the incorrect oil.

I concur with John 070; simply go get the proper oil and filter. It’s $50. Oil changes at 5,000 miles really don’t save any money because the engine can easily handle 10,000 mile oil changes. Additionally, it seems a little absurd to suppose that the engine will clog up and require a flush.

A manual transmission doesn’t need “modes”; modes are for automatic transmissions that attempt to function like a true 3-pedal manual transmission. Instead, a manual transmission may be adjusted to “comfort,” “sport,” and “track” modes merely by the skill and speed at which you shift it. It is a manual transmission if you can money-shift it. But NO ONE ever installs an automatic gearbox shift knob on a manual transmission, you say.


Due to the fact that synthetic motor oils don’t degrade in extreme temperatures or when exposed to light, BMW only advises using them.

Can I substitute partially synthetic oil for totally synthetic?

Always follow the manufacturer’s advice when it comes to choosing the right type of oil.

It is unlikely that using semi-synthetic engine oil in place of fully synthetic oil will result in any severe or immediate issues. However, semi-synthetic oil won’t provide your engine with the same levels of protection as completely synthetic oil offers, and it could lower engine performance as a result. So it is advisable to stay with 100% synthetic oil if it is advised.

On the other hand, using fully synthetic oil in place of semi-synthetic oil frequently results in improved protection and performance for engines that need it.

Is it okay to use oil in my BMW?

You don’t have to use BMW-specific oil in your car. Many other brands will function even though this oil will be compatible with your engine.

Make sure the oil you select complies with BMW Longlife requirements. You may find the required oil rating in your owner’s manual.

Since 2009, BMW Longlife-98 oils are no longer in use. For vehicles produced prior to the model year 2002, this oil is advised, although Longlife-01 products can be used in its place.

All vehicles produced after the model year 2002 must have BMW Longlife-01. It is entirely artificial.

Due to their low HTHS viscosity, BMW Longlife-01 FE oils have characteristics that improve fuel economy. Only the N54, N63, N1x, N55, N74, and N2x engines can use this oil grade.

The BMW Longlife-04 is appropriate for cars with diesel particulate filters. As an alternative to BMW Longlife-98 or Longlife-01, you can use this product.

Some gasoline engines, as well as the 2013 model-year Nx701, Nx7k1, and Nx7U1 diesel engines, are compatible with the BMW Longlife-12. Engines with two to three turbos are ineligible for the usage of this oil.

N20 and Bx8 gasoline engines from the model year 2014 are compatible with BMW Longlife-14+.

You can find these requirements in a ton of oil brands, so don’t feel compelled to use solely BMW goods.

Is BMW oil required for my BMW?

You shouldn’t skimp on the quality or type of motor oil you put in your BMW because it’s the second-most crucial fluid after fuel in your car. Because of this, BMW advises using only synthetic motor oils in all BMW engines.

What happens to a BMW if synthetic oil is not used?

The engine won’t explode or anything, according to Calkins. But you’ll notice more wear and deposit buildup. And once more, topping off with regular oil is acceptable in an emergency. If it’s up to a quart, Calkins advises not to be alarmed.

Is using fully synthetic oil required?

After synthetic, can I use regular oil? The idea that you can’t switch back to conventional oil after using synthetic is untrue. The truth is that you have the freedom to switch at any time. In actuality, mixtures of synthetic and conventional oils are used.

What happens if you fill a BMW with standard oil?

Even though most natural motor oil is refined from crude oil, it may still include impurities that get past the refinement process. These minute minerals can progressively lead to undesired accumulation in an engine, which could reduce its performance and shorten its lifespan.

What kind of oil is best for my BMW?

The majority of BMW engines ship from the factory with a 5W-30. Additionally, BMW advises an oil change every 15,000 miles.

Mobil Full Synthetic 5W-30 High Mileage, Mobil 1 SAE 0W-40, Valvoline SynPower SAE 5W-30, or Castrol Syntec European Formula SAE 0W-30 are the brands that BMW utilizes. Since 2015, BMW has advised using Shell/Pennzoil PurePlus Oils as its aftermarket oil.

There is a sizable aftermarket performance modifying community for BMWs. If you read the conversations on forums or Facebook groups, you’ll notice that owners of tuned BMWs frequently praise Liqui Moly 5w-40.

Take the climate into account In warmer climates, consumers frequently choose the 5W-40 oil kind. You should choose the 0W-40 oil type if you live somewhere with a cooler environment. In comparison to 5W-40, which takes a few minutes to warm up to the ideal lubricating temperature, 0W-40 lubricates the bearings better upon beginning.

Can I switch from synthetic to traditional oil after using it?

  • Leaks occur while switching to synthetic oil: In general, leaks do not occur when switching to synthetic oil. It is true that synthetic oil flows more easily since it is thinner than regular oil. Synthetic oil is more prone to leak than regular oil if there is a potential leak in your engine. However, the leak wouldn’t be brought on by synthetic oil.
  • Once you switch to synthetic oil, you are not obligated to use it indefinitely. You cannot switch back to regular oil. If your vehicle’s manufacturer does not advise otherwise, you can switch back to standard oil. However, by taking better care of your engine, continuing to use synthetic oil may help you extend the lifespan of your car.
  • Some individuals might believe that you must break in a newer vehicle with conventional oil for a period of time before converting to synthetic. In actuality, no vehicle manufacturer has advised performing this technique. In actuality, synthetic oil is now standard on the majority of new cars when they leave the factory.

What kind of oil should I use in my BMW?

Oil for the majority of BMW passenger and SAV vehicles: 0W-40 Mobil 1 SAE. SynPower SAE 5W-30 by Valvoline. SAE 0W-30 Castrol Syntec European Formula. BMW will start advising Shell/Pennzoil PurePlus Oils as their aftermarket oil in 2015.

Can you alternate between synthetic and conventional oil?

Although switching between fully synthetic and conventional oil won’t harm the engine, synthetic oils normally offer more protection than conventional lubricants.

What occurs if complete synthetic oil is not used?

Regular oil steadily breaks down as it circulates through an engine, leaving dangerous deposits and even encouraging the growth of sludge. It may have an impact on the lifespan and engine performance of your car.

The synthetic oil is less sludge-prone and has less contaminants. It makes the car engine run more smoothly and efficiently while keeping it cleaner.

Will my car be damaged if I use the wrong oil?

The engine may seem noisier or start making a ticking noise if you applied the incorrect oil since the parts are working harder to get the engine moving. If the oil is too thick and cannot flow around your engine as easily as it should, this can also be a problem in cold weather, making it more difficult to start the automobile.

Because using the incorrect oil can create leaks, you might see a few oil stains in your garage or under your car, or you might smell burning when driving. Engine parts may not be adequately lubricated if the oil isn’t performing as it should, resulting in friction and the potential for burning the oil. This is unquestionably a red flag that needs to be addressed right away.

The fact that you feel like you need to fill up the automobile more frequently may possibly be related to the oil. Your engine will have to work harder and burn gasoline more quickly if the oil you’ve used is too heavy and thick to function properly.

Does oil brand matter?

It’s crucial to make a great investment when buying the oil that keeps your engine running every day. You get to pick between a short-term fix and a long-term investment in your engine every 7,500 miles. Both options will have immediate and long-term repercussions on your car, whether you decide to change the oil with a budget brand or one you trust.

Like light bulbs, engine oil is one of those things where a cheaper price really denotes a worse-quality product. Motor oil that costs less is less expensive because its chemical composition is of inferior grade. In the long run, toxic fillers included in off-brand oils will cause more harm than good. For the best engine performance, it’s crucial to use a high-quality motor oil.

Even while a cheaper oil could be alluring, it’s crucial to think about the oil’s long-term quality when selecting it for a car that you intend to purchase and use for many years to come. Lower-quality motor oils’ filler substances can damage your car in both short- and long-term ways, including:

  • obstructed engine pipes
  • a rise in oil spills
  • burnt-out engines
  • reduced fuel efficiency,
  • plus more!