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BMW engine makes a strange sound. People who drive BMW know that the sound of BMW's engine is TNT Sportsextremely delicate and low, and it will become more intense as the speed increases. However, if your BMW engine makes a strange sound, it may be a worrying signal. These sounds may indicate that something is wrong and may need to be repaired or replaced. Next, we will delve into the abnormal noise of the BMW engine and find out how to solve these problems. There are various kinds of abnormal sounds of BMW engines, such as clicking, clicking, buzzing, stuttering and so on. We will analyze the possible problems behind these sounds one by one. 1. The sound of clicking often appears when the engine is just started, and the sound is often more obvious.This click may be a problem with the valve. The valve may make a clicking sound when starting, because the valve has not fully expanded and has not been lubricated by oil. Therefore, it is normal if this click sound occurs only when starting up. But if this click continues to exist after the start-up, then the problem will arise. It may indicate that the valve is worn, the valve spring is loose or slipped and other problems. Two. The sound of da da usually comes from the rotor of the engine. When you drive at low speed, you will hear a sound similar to vibration. This kind of noise may also be due to a problem with the valve, which often occurs in high-mileage cars. If the car is constantly driving at high speed at more than 5,000 rhs per minute, you may hear a lighter clat. This may indicate that the valve is worn out and needs to be replaced and repaired.3. Buzzing buzzing may be caused by friction of engine mechanical parts. This sound usually becomes louder as the engine speed increases. In addition, you will also find that the sound comes from the front and the bottom. This buzzing sound may be caused by the wear or loosening of the engine crankshaft bearing. If you hear this sound, it means that you should immediately repair or replace the engine parts to prevent further damage to the parts. Four. The sudden stuttering sound of the engine may indicate that there is a more serious problem with the engine. This kind of sound often appears in cars, accompanied by obvious shaking. The stuttering sound may indicate that your engine cylinder liner or cylinder wall is obviously worn or damaged. This is a very serious problem. You need to stop and check your engine immediately and find professional maintenance personnel to repair it.In short, if your BMW engine makes a strange sound, it may be a worrying signal that your car has some problems and needs to be repaired. These sounds may indicate problems such as valve wear, loose bearings, cylinder liner wear or cylinder wall damage. After you hear these voices, you'd better not delay. You should immediately check and find out the root cause and take measures to repair the engine. Remember, keeping your engine well maintained and upkeep can keep it in the best condition and have a longer service life.

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