It is never enjoyable to find out a noise from your car you don’t know where from. So what if you locate a serpentine belt noise that remains on your BMW X3? It is very possible that this is a minimal issue, but before being sure, it is better to accomplish some investigations. If this belt noise comes from your serpentine or driving belt, our team has written a document to help you finding and correcting it. First, we will look at the serpentine belt noises on your BMW X3 and then we will check out the sources of these noises.serpentine-belt-noise-bmw-x3

I experience noises from serpentine belt BMW X3

The best way to control the state of your belts is to listen to your car. Immediately after you notice noises such as squealing or bells, you should take a closer look to check their source. The role of the serpentine belt or driving belt of your BMW X3 is to transfer the movement of the engine to the secondary elements that it will supply with energy. Like steering, air conditioning, water pump. Its role is therefore essential in the normal functionality of your car. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the capacity to drive different engine elements at variable speeds.

I find out squealing noises on my serpentine belt BMW X3

This kind of squealing belt noises on BMW X3, which will often be acute, can usually happen when the engine is cold, or when the acceleration increases in intensity. . This kind of noise must be significant and it is obviously quite simple to link it with one of these belts. To check, do not hesitate to open your bonnet, engine running cold and check the source of this noise, the serpentine or driving belt being apparent, it should not be too difficult for you to point a belt noise on your BMW X3. The reason of this issue can be related to the damper pulley, which operates as a damper to reduce irregularities in the tension in the motor cycle and therefore in the energy transmission to the belt. This results in a loose belt that will jerk. However, you still have an opportunity that this event is annodine. As the serpentine belt of your BMW X3 is exposed, it may squeak due to excessive humidity due to weather conditions and it may stop with a change in conditions. Keep in mind to check the state of your belt (crack, crack), if this is the case swap it, otherwise simply tighten the belt.

I find out loud serpentine or driving belt noises BMW X3

Just like squealing, a driving belt noise on your BMW X3 that sounds like a loud grinding sound can say a lot about its state. It is therefore essential that you look further and find the cause for this sound that can signal the end of your belt’s life. Like squealing noise, it can be identified in most cases when cold . It generally means a worn pulley whose streaks no longer allow it to be driven properly. Other alternatives, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the source of this issue. Remember to check first the serpentine/driving belt which in most cases is the reason of this issue, otherwise it will be necessary to swap the tensioner or pulley.

I find out bearing noises on the serpentine belt of my BMW X3

Finally, if in your case you recognize a bearing belt noise on BMW X3, it is possible that it is related to a serpentine belt that is too tight . Indeed, it is possible that its size may be smaller than recommended and cause the entire system to overvoltage, resulting in this whistling noise or slight rolling noise. The risk in this case is that the bearing bearings or the Damper pulley may fail . Remember, therefore, to stretch the belt to limit the risks or to replace it if it is too short. If after checking all thoses alternatives, you still identify a belt noises, read our article about timing belt noises on BMW X3 which could maybe help you.