When you find out about unusual sounds on your BMW i3 you tend to stress about them. Especially when you feel a noise when you accelerate on your BMW i3. It is right away assimilated to an engine issue and can therefore be significant. As we know that you do not take these complications lightly, we have chosen to compose this content to support you find the causes and get rid of this matter 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 i3, then what is a whistling or ratling noise at the acceleration of my BMW i3, then the sources of a noise that intensifies during acceleration and to finish a noise that ends when I stop accelerating.
Ma BMW i3 makes a high-pitched noise when I accelerate:
If your BMW i3 produces a loud noise when you accelerate, it is quite conceivable that the alternator belt is the induce of your issue. You will need to define if this noise occurs suddenly and if it can stop as it started. The alternator belt is a wearing part that is utilized to get power to the secondary components of your BMW i3’s engine and although it is less important than the timing belt it can cause engine problem if it fails. This noise may be a warning sign 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 i3, go to your auto mechanic.
Ma BMW i3 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 comes with the rattling noise when you accelerate with your BMW i3, it is possible that your turbo is failing and some of its elements are at the end of their life. Examine it and replace it if it is the induce, otherwise you risk blockage your engine in the long run. If you hear this blowing or whistling noise on your car, feel free to consult this content page about turbo noises on BMW i3, if you would like more info.
If, on the other hand, you do not experience any power loss due to an humming noise on your BMW i3, it is more than likely that you have one of your junctions or air hoses that has holes. So examine the complete air supply system from your air filter to your engine to locate the origin of this acceleration sound.
Ma BMW i3 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 i3 gets loud, then you will have to think about the rolling parts of your automobile. In fact, if this loud noise does not appear when you iddle, it is surely related to your transmission, and, in general, to your wheels. The most basic cause is the state of your bearings, so don’t forget to examine their state to ensure that it is not the cause of this loud noise when you accelerate. If not, go to this document about the noises related to BMW i3 noise wheels.
Ma BMW i3 produces a noise when I accelerate that stops when I stop accelerating:
To finish, if you encounter a noise when accelerating with your BMW i3 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 cause. In fact, the clutch release bearings must be replaced approximately every 120 000 / 130 000km. To test 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 i3. Go through our article on clutch noise on BMW i3 for more information.
