When you come across abnormal noises on your Bmw Z4 you tend to worry about them. Especially when you feel a noise when you accelerate on your Bmw Z4. It is immediately assimilated to an engine trouble and can therefore be severe. As we know that you do not take these disorders lightly, we have chosen to prepare this document to help 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 Z4, then what is a whistling or ratling noise at the acceleration of my Bmw Z4, then the sources of a noise that intensifies during acceleration and finally a noise that ends when I stop accelerating.
Ma Bmw Z4 makes a high-pitched noise when I accelerate:
If your Bmw Z4 produces a loud noise when you accelerate, it is quite conceivable that the alternator belt is the cause of your trouble. You will need to identify 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 supply power to the secondary components of your Bmw Z4’s engine and although it is less vital than the timing belt it can bring about engine problem if it stops working. This sound may be a sign of a slackened belt, in which case the tensioner roller or its wear and tear may be to blame. In any case, examine the condition of your belt and its tension. If it causes this acceleration noise on Bmw Z4, go to your mechanic.
Ma Bmw Z4 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 Z4, it is possible that your turbo is declining and some of its parts are at the end of their life. Check it and replace it if it is the cause, otherwise you risk clogging your engine in the long run. If you perceive this blowing or whistling sound on your car, feel free to consult this content about turbo noises on Bmw Z4, if you would like more information.
If, on the other hand, you do not feel any power loss due to an humming noise on your Bmw Z4, 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 determine the origin of this acceleration sound.
Ma Bmw Z4 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 Z4 gets loud, then you will have to look at the rolling parts of your automobile. In fact, if this loud noise does not emerge when you iddle, it is necessarily in connection with your transmission, and, in general, to your wheels. The most common reason is the state of your bearings, so make sure you examine 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 Z4 noise wheels.
Ma Bmw Z4 creates a noise when I accelerate that ends when I stop accelerating:
Finally, if you experience a noise when accelerating with your Bmw Z4 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 changed around every 120 000 / 130 000km. To check 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 auto technician to replace the clutch release bearings on your Bmw Z4. Read our article on clutch noise on Bmw Z4 for more information.
