When you detect uncommon sounds on your BMW X1 you tend to stress about them. Especially when you feel a noise when you accelerate on your BMW X1. It is right away assimilated to an engine motor problem and can therefore be serious. As we know that you do not take these problems lightly, we have chosen to prepare 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 causes of a high pitched noise when accelerating with my BMW X1, then what is a whistling or ratling noise at the acceleration of my BMW X1, then the origins of a noise that intensifies during acceleration and at last a noise that ends when I stop accelerating.
Ma BMW X1 makes a high-pitched noise when I accelerate:
If your BMW X1 produces a loud noise when you accelerate, it is quite possible that the alternator belt is the cause of your problem. You will need to determine if this noise takes place suddenly 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 X1’s engine and although it is less important than the timing belt it can bring about engine damage if it fails. This sound may be a sign of a slackened belt, in which case the tensioner roller or its wear and tear may be at fault. In any case, examine the condition of your belt and its tension. If it causes this acceleration noise on BMW X1, go to your auto technician.
Ma BMW X1 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 occurs with the rattling noise when you accelerate with your BMW X1, it is conceivable that your turbo is screwing up and some of its parts are at the end of their life. Check it and swap it if it is the cause, otherwise you risk clogging your engine in the long run. If you notice this blowing or whistling sound on your car, feel free to read this content page about turbo noises on BMW X1, 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 X1, it is more than likely that you have one of your junctions or air hoses that has holes. So examine the entire air supply system from your air filter to your engine to discover the starting point of this acceleration sound.
Ma BMW X1 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 X1 gets loud, then you will have to check out the rolling parts of your vehicle. Indeed, if this loud noise does not occur when you iddle, it is certainly linked to your transmission, and, in general, to your wheels. The most common reason is the state of your bearings, so make sure to examine their state to ensure that it is not the reason of this loud noise when you accelerate. If not, go to this document about the noises related to BMW X1 noise wheels.
Ma BMW X1 generates a noise when I accelerate that ends when I stop accelerating:
To finish, if you encounter a noise when accelerating with your BMW X1 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. Indeed, the clutch release bearings must be changed approximately 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 symptoms, go to your auto mechanic to change the clutch release bearings on your BMW X1. Read our article on clutch noise on BMW X1 for more information.
