When you detect uncommon sounds on your Bmw Serie 3 E93 you tend to stress about them. Specifically when you feel a noise when you accelerate on your Bmw Serie 3 E93. It is immediately assimilated to an engine motor issue and can therefore be serious. As we know that you do not take these complications lightly, we have decided to produce this content to help you find the causes and eradicate this issues 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 Serie 3 E93, then what is a whistling or ratling noise at the acceleration of my Bmw Serie 3 E93, then the sources of a noise that intensifies during acceleration and finally a noise that ends when I stop accelerating.noise-when-acceleratingbmw-serie-3-e93

Ma Bmw Serie 3 E93 makes a high-pitched noise when I accelerate:

If your Bmw Serie 3 E93 makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the reason of your issue. You will need to identify if this noise shows up suddenly and if it can stop as it started. The alternator belt is a wearing part that is used to bring power to the secondary components of your Bmw Serie 3 E93’s engine and although it is less crucial than the timing belt it can generate engine problem if it breaks. This noise may be a symptom 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 Serie 3 E93, go to your technician.

Ma Bmw Serie 3 E93 makes whining noise when I accelerate:

  • Rattling or whistling noise generated by the turbo
  • If you have a power loss that accompanies the rattling noise when you accelerate with your Bmw Serie 3 E93, it is possible that your turbo is declining and some of its elements are at the end of their life. Check it and change it if it is the reason, otherwise you risk clogging your engine in the long run. If you notice this blowing or whistling noise on your car, feel free to refer to this document about turbo noises on Bmw Serie 3 E93, if you would like more information.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not feel any power loss due to an humming noise on your Bmw Serie 3 E93, it is more than likely that you have one of your junctions or air hoses that has holes. So examine the whole air supply system from your air filter to your engine to locate the starting point of this acceleration sound.

Ma Bmw Serie 3 E93 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 Serie 3 E93 gets loud, then you will have to think about the rolling parts of your car. 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 make sure to examine their condition to be 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 Serie 3 E93 noise wheels.

Ma Bmw Serie 3 E93 produces a noise when I accelerate that stops when I stop accelerating:

At last, if you experience a noise when accelerating with your Bmw Serie 3 E93 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 replaced almost every 120 000 / 130 000km. To check 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 signs of illness, go to your auto mechanic to replace the clutch release bearings on your Bmw Serie 3 E93. Look at our article on clutch noise on Bmw Serie 3 E93 for more information.