When you identify unusual sounds on your BMW X4 you tend to stress about them. Especially when you feel a noise when you accelerate on your BMW X4. It is automatically assimilated to an engine motor trouble and can therefore be serious. As we know that you do not take these disorders lightly, we have decided to prepare this document to help you find the causes and get rid of this matter as quickly as possible. To do this, we will first see what are the causes of a high pitched noise when accelerating with my BMW X4, then what is a whistling or ratling noise at the acceleration of my BMW X4, then the origins of a noise that intensifies during acceleration and finally a noise that ends when I stop accelerating.
Ma BMW X4 makes a high-pitched noise when I accelerate:
If your BMW X4 produces a loud noise when you accelerate, it is quite conceivable that the alternator belt is the reason of your trouble. You will need to define if this noise happens abruptly and if it can stop as it started. The alternator belt is a wearing part that is employed to get power to the secondary components of your BMW X4’s engine and although it is less important than the timing belt it can cause engine problem if it breaks. This noise may be a indicator of a slackened belt, in which case the tensioner roller or its wear and tear may be responsible. In any case, examine the condition of your belt and its tension. If it causes this acceleration noise on BMW X4, go to your auto technician.
Ma BMW X4 makes whining noise when I accelerate:
- Rattling or whistling noise caused by the turbo
- Humming noise caused by air leakage
If you have a power loss that occurs with the rattling noise when you accelerate with your BMW X4, it is plausible that your turbo is failing and some of its parts are at the end of their life. Examine it and swap it if it is the reason, otherwise you risk clogging your engine in the long run. If you perceive this blowing or whistling noise on your car, feel free to read this content about turbo noises on BMW X4, if you would like more details.
If, on the other hand, you do not experience any power loss due to an humming noise on your BMW X4, it is more than likely that you have one of your junctions or air hoses that has holes. So examine the entire air supply system from your air filter to your engine to discover the starting point of this acceleration sound.
Ma BMW X4 produces 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 X4 gets loud, then you will have to check the rolling parts of your car. Indeed, if this loud noise does not emerge when you iddle, it is surely related to your transmission, and, in general, to your wheels. The most basic reason is the state of your bearings, so don’t forget to examine their condition to be sure it is not the reason of this loud noise when you accelerate. If not, go to this content page about the noises related to BMW X4 noise wheels.
Ma BMW X4 produces a noise when I accelerate that stops when I stop accelerating:
At last, if you encounter a noise when accelerating with your BMW X4 and this noise which could be a cliking sound tends to reduce 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 changed almost every 120 000 / 130 000km. To evaluate it, you just have to see if you have more difficulty than usual shifting gears, if you feel a resistance either stronger or non-existent in the clutch pedal. If you have any of these manifestations, go to your technician to replace the clutch release bearings on your BMW X4. Go through our article on clutch noise on BMW X4 for more information.
