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The causes of BMW X5 oil burning and how to prevent it.
The engine oil itself has a certain amount of consumption, and excessive consumption is the problem of burning engine oil. There are many factors that affect the burning of engine oil, such as: fuel quality, driving conditions, driving habits, maintenance habits, etc., the following reasons will aggravate the oil consumption and cause the burning of engine oil, so that the vehicle appears:
1. Carbon deposition occurs in the combustion chamber, which makes the gas ring of the piston ring stuck, and the sealing is poor.
2. Oil sludge is generated in the lubrication system, and the oil sludge blocks the oil return hole of the oil ring and weakens the oil scraping performance.
3. Wear occurs between the piston and the cylinder wall.
4. The valve seal is corroded and aging, and the sealing performance fails.
In addition, cars now have crankcase ventilation systems (exhaust valves), which can also exacerbate oil consumption if there is a problem.
Burning engine oil means that the engine oil enters the combustion chamber of the engine and participates in the combustion along with the mixture. The phenomenon of "burning engine oil" in the vehicle will damage the vehicle's oxygen sensor too quickly, resulting in an increase in carbon deposition in the combustion chamber, unstable idling, weak acceleration, increased fuel consumption, and excessive exhaust emissions.
Precautionary measures for burning engine oil:
1. Use high-quality engine oil
Engine oil is very easy to corrode and age in a long-term high temperature state, resulting in the oil film becoming thinner, and it is easier to escape to the combustion chamber to participate in combustion, so the use of high-quality engine oil can greatly delay this phenomenon.
2. Pay attention to the cleanliness of the fuel circuit
Fuel in the combustion process is indispensable to produce carbon deposits, and carbon deposits are the root cause of some car failures, such as the aging of valve seals, piston wall clearance, etc., all have a direct or indirect relationship with the formation of carbon deposits, considering the relationship between domestic oil products, it is necessary to use high-quality engine oil and (PNF) fuel additives to achieve, which is also the key to achieve no dismantling and repair to solve the problem of burning engine oil.
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Hello dear! The so-called burning of engine oil means that the engine oil enters the combustion chamber of the engine through a certain way and participates in the combustion together with the mixture. The main reason is that the matching gap between the piston and the cylinder wall is too large, the piston ring is improperly installed or its sealing is poor, etc., and the oil on the cylinder wall will enter the combustion chamber too much, causing the phenomenon of burning oil.
In addition, the sealing performance of the valve sealing ring will also cause the phenomenon of burning oil, others such as crankcase ventilation valve damage, so that the oil enters the cylinder with the gas in the crankcase to participate in combustion, or the crankcase vent is blocked so that the pressure in the crankcase is too large, and the amount of oil will increase, and the phenomenon of burning engine oil occurs. Hope it helps, thank you!
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1.How many kilometers have you run, what is the fuel consumption, what is the power, is there blue smoke? It's no wonder that German cars burn engine oil!
Because they are all the masters who pursue high compression ratio and high power, they also drink gasoline like gutter oil, and the better cars are all burning engine oil! Occasionally, if you meet someone who doesn't burn, it's also a big luck! Therefore, it is most important to prevent the burning of engine oil in advance.
2.But many people start to burn engine oil, only to realize that this is particularly annoying, because every day to add engine oil! If you want to solve it, there are currently two more popular ways to find the land for overhaul, the quality of the parts, the level of the technician can be guaranteed, and the cost can be afforded, you can try, but after the overhaul, it will inevitably cause damage to the engine, this is common sense, the car is not broken, it is repaired!
3.The second is not to overhaul the solution, because the root cause of burning engine oil lies in the poor quality of oil and oil, resulting in excessive carbon deposits, which causes a series of problems such as piston ring stuck, cylinder wall wear, oil seal aging, etc., so as to burn engine oil, through high-quality cleaning and repair technology, such as the more popular German Marty, can solve these problems, do not overhaul can also solve the problem of burning engine oil, and solve the quality of gasoline and engine oil from the root, to ensure that there will be no more **.
4.You can weigh the two and trust your own judgment. Pure hand fighting! Hope to help you!
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Do know the task:, thank you!!
BMW car burns engine oil? The oil is no longer wear-resistant; I've got the BMW right;
No matter what kind of oil, as long as the anti-wear property is good;
After many BMW cars that burn engine oil use super eutectic lubricating oil, they are pleasantly surprised to find that they no longer burn engine oil, because it is nano anti-wear repair engine oil; At the same time, the oil of large trucks and trucks is also particularly powerful; Directly approved by the manufacturer;
The wear resistance of the engine oil is not good, and it can be improved a lot by using the super eutectic lubricating oil with good wear resistance;
The general fuel additive is a bottle of 50 ml with 60 liters of gasoline, first fill up the fuel, and then pour it in;
However, I recommend you to use Chaomei brand fuel additives for Sinopec OEM;
The real way is to buy an engine internal cleaning agent produced by Chaomei, pour it into the oil cylinder, idle for ten minutes, and then replace it...
You use poor engine oil, which is not resistant to wear and tear, and soon burns the engine oil, tens of thousands of kilometers; With engine oil with good wear resistance, it is basically difficult to wear, and it will not burn engine oil for life;
Do you still believe in the original? The original one is the most basic qualified; Definitely not the best;
These oils are average, and no one is better than the other; You need to use a good anti-wear oil to protect the car;
Burning engine oil means that the engine oil is not anti-wear, and the wear particles are too large, resulting in poor sealing before burning engine oil;
Use super eutectic lubricating oil with good anti-wear performance to repair the slight burning of engine oil; And it's not expensive;
It is not normal to burn engine oil, either there is a problem with the assembly, or the engine oil is not wear-resistant;
The engine oil used is not good and does not play a role in anti-wear; Wear and carbon deposits are generated, resulting in louder noise;
Remove carbon deposits, enhance power, eliminate exhaust gases, save fuel and reduce fuel consumption.
Use super eutectic lubricating oil, close to zero wear, no oil burning;
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Could it be that the cylinder gasket is broken, it may be that the engine oil is added too much.
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The new version of the 21 BMW X5 does not burn engine oil. Oil burning caused by excessive oil filling. When the oil is filled above the center line, the part of the engine lubrication process that passes through splash lubrication will be too much into the combustion chamber due to the high oil pressure.
BMW's configuration
The second-generation X5 has a similar design style to the first, with a similar front line to the X3. In the case of the seven-seat design adopted by the Yupai luxury SUV market, the addition of a third row of seats to the X5 has been an inevitable trend. In order to have enough space for the third row of seats, the Xinqing Leaky X5 is 16 cm longer and 6 cm wider than the old model.
In addition, the new generation X5 will be equipped with advanced equipment such as an active cruise control system and a night vision system with radar distance control function. and the improved BMW X-Drive all-wheel drive system and the more advanced Wheel-by-Whee drive force control system. The powertrain list for the E70 will consist of two diesel engines and two petrol engines, with an output of 231 hp for a six-cylinder diesel engine.
330 hp V8 diesel engine; a 6-cylinder petrol engine with an output of 258 hp; and a V8 petrol engine with an output of 367 hp.
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Burning engine oil means that the engine oil enters the combustion chamber and burns out.
Let's take a look at the following to analyze the reasons for you:
1.Oil quality and fuel quality are susceptible to carbon deposits.
2.Carbon deposition causes the piston ring to jam and lose its oil scraping performance; The oil return hole is blocked, and the oil cannot return to the crankcase normally.
3.Wear between the cylinder wall and the piston, the gap is too large.
4.The corrosion and aging of valve oil seals and crankshaft oil seals lead to oil leakage, which are the main reasons for burning engine oil, and they can be prevented and solved, not necessarily dismantled and repaired to solve them, so that they cost money and hurt the car, and delay things. You can search for ways to solve the problem of burning engine oil without dismantling and repairing.
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Oh, normal, I have done a period of time in BMW's 4S shop, there are many BMW new cars have oil leakage, most of them are oil pan seal is not tightly sealed or oil seal leakage, to put it bluntly, it is the problem of sealant, and not only X5, 7 series and 5 series also have such a problem, although it is a small problem, but the ring sealant to remove part of the front suspension, the project is not small, it is recommended to go to the 4S shop for compensation, BMW is still very kind in this regard, it should be free.
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1.If you don't clean the oil circuit for a long time or don't do effective oil circuit cleaning, detergents are used at will, and using detergents and effective detergents are two different things;
2.The antifreeze replacement cycle is too long or not changed at all;
3.The oil change interval is too long;
4.Long-term or often short-distance driving.
The above four points of the vehicle that burns engine oil must be occupied by one or all four points.
1. Use engine oil that meets the technical requirements of the vehicle. Many car owners never read the vehicle manual, and they don't know what quality and viscosity grade oil their vehicles use for a few years, and there is a lot of arbitrariness in the use of engine oil. When using engine oil, one is to pay attention to the quality index, and the other is to pay attention to the viscosity index.
2. Avoid frequent rapid acceleration and long-term ultra-high-speed driving. When the engine rotates at ultra-high speed, it is easy to break the lubricating oil film, resulting in poor lubrication and dry grinding of the rotating parts, and when it becomes a regular operation, it will make the engine wear abnormally and burn the oil, therefore, maintaining an economic speed is a good way to prevent the phenomenon of burning oil.
3. When doing maintenance and adding oil in other places, it must meet the specifications. When the oil filling volume exceeds the center line, the repairman should be asked to pump out the excess oil, in addition, the oil volume should be observed before the next day.
4. If you find that the engine oil is burned, go to the maintenance station for inspection as soon as possible. The use of zero dismantling does not overhaul the engine, fast, safe, no corrosion, restore the performance of the engine piston ring, restore the elasticity of the oil seal, and repair the wear surface between the engine cylinder wall and the piston. It can effectively solve the phenomenon of engine oil burning, improve engine power and improve combustion.
The causes and solutions of BMW burning engine oil.
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The old BMW X5 does have the problem of burning engine oil, but as long as the BMW X5 with a stupid Yu Nai ** engine is used normally and maintained correctly, the probability of burning engine oil is very low. BMW X5 is a medium and large luxury SUV owned by BMW, **BMW X5 uses a total of two engines, one is a turbocharged engine, and the other is a turbocharged engine.
With 265 hp and 400 Nm of torque, this engine can deliver maximum power at 5,000 to 6,000 rpm and 1,550 to 4,500 rpm. The engine is equipped with direct injection technology and uses an aluminum alloy cylinder head block. Mated to this engine is an 8AT gearbox.
With 340 hp and 450 Nm of torque, the turbocharged engine can output maximum power at 5,500 to 6,500 rpm and 1,500 to 5,200 rpm for maximum torque. The engine is equipped with direct injection technology and uses an aluminum alloy cylinder head block. Mated to this engine is an 8AT gearbox.
The transmission efficiency of the 8AT gearbox is high, the shift speed is fast, and the reliability and durability of this gearbox are also relatively good. The BMW X5 uses double wishbone independent suspension for the front suspension and multi-link independent suspension for the rear suspension. If you are interested in the BMW X5, you can go for a test drive of this car.
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Hello, the car is burning engine oil, and it needs to be overhauled to solve the problem [There is a problem with the car, ask the car master. 4S shop professional technician, 10 minutes to solve. 】
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Put the oil out to determine whether it is really bad oil, really bad check whether there is oil leakage, if you burn the oil to check whether it is caused by crankcase ventilation, and finally determine the overhaul [There is a problem with the car, ask the car master. 4S shop professional technician, 10 minutes to solve. 】
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Hello, burning engine oil seriously needs to be overhauled [If you have a problem with the car, ask the car master. 4S shop professional technician, 10 minutes to solve. 】
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In BMW, the main reason for burning engine oil is two aspects, one is the problem of accessories, waste gas valve, valve oil seal, cylinder pulling, and insufficient cylinder pressure. The second is that the oil circuit is not cleaned for a long time, the antifreeze is not replaced in time, the oil service life is too long, and the piston ring is stuck, and the more common situation is that the piston ring is stuck.
The reason why most of the car burns the engine oil is that the piston ring is stuck, the stagnation starts from the oil circuit, the oil withstand temperature at 110 degrees, and the high temperature caused by the long-term unclean oil circuit makes the oil at a temperature of 120 degrees or higher for a long time, so that the oil will be exhausted in advance, the small hole of the oil ring is very small, and the oil inside will be dried and scabbed for a long time. It becomes a liter of engine oil for 1000 kilometers or even hundreds of kilometers. Therefore, in order to solve the problem, we must start from the root oil circuit, which is the way to remove the root.
It's up to you to choose, burning engine oil is not incurable, there are two ways to solve it on the market, one is overhaul, and the second is PNF repair agent. In the case of overhaul, the cost is very high, the vehicle depreciates quickly, and the later run-in is also very troublesome. At the same time, I have also seen other riders use this repair agent, you can refer to it.
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