When you come across irregular sounds on your BMW X3 you tend to worry about them. Specifically when you feel a noise when you accelerate on your BMW X3. It is immediately assimilated to an engine issue and can therefore be significant. As we know that you do not take these disorders lightly, we have chosen to compose this content page to support you find the causes and eradicate this concern as quickly as possible. To do this, we will first see what are the reasons of a high pitched noise when accelerating with my BMW X3, then what is a whistling or ratling noise at the acceleration of my BMW X3, then the sources of a noise that intensifies during acceleration and at last a noise that ceases when I stop accelerating.
Ma BMW X3 makes a high-pitched noise when I accelerate:
If your BMW X3 makes a loud noise when you accelerate, it is quite conceivable that the alternator belt is the cause of your issue. You will need to determine if this noise takes place abruptly and if it can stop as it started. The alternator belt is a wearing part that is utilized to supply power to the secondary components of your BMW X3’s engine and although it is less crucial than the timing belt it can bring about engine problem if it fails. This sound may be a sign of a slackened belt, in which case the tensioner roller or its wear and tear may be to blame. In any case, check the state of your belt and its tension. If it causes this acceleration noise on BMW X3, go to your technician.
Ma BMW X3 makes whining noise when I accelerate:
- Rattling or whistling noise created by the turbo
- Humming noise caused by air leakage
If you have a power loss that accompanies the rattling noise when you accelerate with your BMW X3, it is conceivable that your turbo is failing and some of its elements are at the end of their life. Examine it and change it if it is the cause, otherwise you risk clogging your engine in the long run. If you hear this blowing or whistling sound on your car, feel free to read this content page about turbo noises on BMW X3, if you would like more info.
If, on the other hand, you do not get any power loss due to an humming noise on your BMW X3, it is more than likely that you have one of your junctions or air hoses that has holes. So check the whole air supply system from your air filter to your engine to locate the starting point of this acceleration sound.
Ma BMW X3 makes an increasingly loud noise when I accelerate:
If, on the other hand, you have the feeling that the more you gain speed, the more your noise at acceleration on BMW X3 gets loud, then you will have to think about the rolling parts of your vehicle. Indeed, if this loud noise does not occur when you iddle, it is surely connected to your transmission, and, in general, to your wheels. The most known reason is the state of your bearings, so don’t forget to check their state to make sure it is not the reason of this loud noise when you accelerate. If not, go to this article about the noises related to BMW X3 noise wheels.
Ma BMW X3 makes a noise when I accelerate that ends when I stop accelerating:
To finish, if you experience a noise when accelerating with your BMW X3 and this noise which could be a cliking sound tends to stop when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the reason. Indeed, the clutch release bearings must be replaced almost every 120 000 / 130 000km. To evaluate it, you just have to see if you have more difficulty than every time shifting gears, if you feel a resistance either stronger or non-existent in the clutch pedal. If you have any of these symptoms, go to your technician to swap the clutch release bearings on your BMW X3. Read our article on clutch noise on BMW X3 for more information.
