When you discover unusual sounds on your Bmw Serie 3 you tend to concerns about them. Especially when you feel a noise when you accelerate on your Bmw Serie 3. It is automatically assimilated to an engine issue and can therefore be severe. As we know that you do not take these problems lightly, we have decided to create this article to support you find the causes and get rid of 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 3, then what is a whistling or ratling noise at the acceleration of my Bmw Serie 3, then the sources of a noise that intensifies during acceleration and finally a noise that ends when I stop accelerating.
Ma Bmw Serie 3 makes a high-pitched noise when I accelerate:
If your Bmw Serie 3 generates a loud noise when you accelerate, it is quite possible that the alternator belt is the reason of your issue. You will need to define if this noise takes place 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 Serie 3’s engine and although it is less vital than the timing belt it can induce engine problem if it stops working. This sound 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, verify the condition of your belt and its tension. If it causes this acceleration noise on Bmw Serie 3, go to your auto mechanic.
Ma Bmw Serie 3 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 Serie 3, it is possible that your turbo is screwing up and some of its parts are at the end of their life. Check it and replace it if it is the reason, otherwise you risk blockage your engine in the long run. If you notice this blowing or whistling sound on your car, feel free to refer to this content about turbo noises on Bmw Serie 3, if you would like more info.
If, on the other hand, you do not feel any power loss due to an humming noise on your Bmw Serie 3, 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 discover the origin of this acceleration sound.
Ma Bmw Serie 3 generates 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 gets loud, then you will have to check out the rolling parts of your car. In fact, if this loud noise does not surface when you iddle, it is necessarily in connection with 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 ensure that 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 noise wheels.
Ma Bmw Serie 3 creates a noise when I accelerate that stops when I stop accelerating:
To finish, if you encounter a noise when accelerating with your Bmw Serie 3 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. In fact, the clutch release bearings must be changed around 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 manifestations, go to your technician to change the clutch release bearings on your Bmw Serie 3. Go through our article on clutch noise on Bmw Serie 3 for more information.
