When you come across uncommon sounds on your Bmw Serie 2 you tend to stress about them. Especially when you feel a noise when you accelerate on your Bmw Serie 2. It is automatically assimilated to an engine motor problem and can therefore be considerable. As we know that you do not take these problems lightly, we have made a decision to prepare this content page to help you find the causes and eradicate this issues as quickly as possible. To do this, we will first see what are the oeigins of a high pitched noise when accelerating with my Bmw Serie 2, then what is a whistling or ratling noise at the acceleration of my Bmw Serie 2, then the origins of a noise that intensifies during acceleration and to finish a noise that ceases when I stop accelerating.noise-when-acceleratingbmw-serie-2

Ma Bmw Serie 2 makes a high-pitched noise when I accelerate:

If your Bmw Serie 2 makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the cause of your problem. You will need to establish if this noise happens abruptly and if it can stop as it started. The alternator belt is a wearing part that is utilized to carry power to the secondary components of your Bmw Serie 2’s engine and although it is less vital than the timing belt it can induce engine damage if it stops working. This sound 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, verify the state of your belt and its tension. If it causes this acceleration noise on Bmw Serie 2, go to your technician.

Ma Bmw Serie 2 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 2, it is plausible that your turbo is declining and some of its components are at the end of their life. Verify it and swap it if it is the cause, otherwise you risk blockage your engine in the long run. If you notice this blowing or whistling sound on your car, feel free to read this article about turbo noises on Bmw Serie 2, if you would like more details.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not get any power loss due to an humming noise on your Bmw Serie 2, it is more than likely that you have one of your junctions or air hoses that has holes. So verify the entire air supply system from your air filter to your engine to determine the origin of this acceleration sound.

Ma Bmw Serie 2 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 2 gets loud, then you will have to check the rolling parts of your vehicle. Indeed, if this loud noise does not surface when you iddle, it is certainly connected to your transmission, and, in general, to your wheels. The most known reason is the state of your bearings, so make sure you verify their condition to make sure it is not the reason of this loud noise when you accelerate. If not, go to this document about the noises related to Bmw Serie 2 noise wheels.

Ma Bmw Serie 2 produces a noise when I accelerate that ends when I stop accelerating:

To finish, if you encounter a noise when accelerating with your Bmw Serie 2 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 swapped 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 Serie 2. Go through our article on clutch noise on Bmw Serie 2 for more information.