When you notice unusual sounds on your Bmw Serie 7 you tend to worry about them. Especially when you feel a noise when you accelerate on your Bmw Serie 7. It is right away assimilated to an engine motor problem and can therefore be critical. As we know that you do not take these trouble lightly, we have made a decision to compose this document to help you find the causes and get rid of this concern 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 7, then what is a whistling or ratling noise at the acceleration of my Bmw Serie 7, then the origins of a noise that intensifies during acceleration and finally a noise that ends when I stop accelerating.
Ma Bmw Serie 7 makes a high-pitched noise when I accelerate:
If your Bmw Serie 7 produces a loud noise when you accelerate, it is quite conceivable that the alternator belt is the cause of your problem. You will need to determine if this noise shows up abruptly and if it can stop as it started. The alternator belt is a wearing part that is employed to supply power to the secondary components of your Bmw Serie 7’s engine and although it is less vital than the timing belt it can bring about engine troubles if it fails. 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 condition of your belt and its tension. If it causes this acceleration noise on Bmw Serie 7, go to your technician.
Ma Bmw Serie 7 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 comes with the rattling noise when you accelerate with your Bmw Serie 7, it is possible that your turbo is failing and some of its components are at the end of their life. Check it and change it if it is the cause, otherwise you risk blockage your engine in the long run. If you perceive this blowing or whistling sound on your car, feel free to refer to this content page about turbo noises on Bmw Serie 7, if you would like more details.
If, on the other hand, you do not get any power loss due to an humming noise on your Bmw Serie 7, 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 locate the source of this acceleration sound.
Ma Bmw Serie 7 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 Serie 7 gets loud, then you will have to check out the rolling parts of your automobile. In fact, if this loud noise does not show up when you iddle, it is surely in connection with your transmission, and, in general, to your wheels. The most basic reason is the state of your bearings, so make sure you verify their state to be 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 7 noise wheels.
Ma Bmw Serie 7 makes a noise when I accelerate that stops when I stop accelerating:
At last, if you experience a noise when accelerating with your Bmw Serie 7 and this noise which could be a cliking sound tends to end 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 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 signs of illness, go to your mechanic to change the clutch release bearings on your Bmw Serie 7. Go through our article on clutch noise on Bmw Serie 7 for more information.
