It is never pleasant to perceive a noise from your car you don’t know where from. So what if you identify a serpentine belt noise that persists on your Bmw Serie 3? It is very conceivable that this is a minor problem, but before being sure, it is better to execute some checks. If this belt noise comes from your serpentine or driving belt, our team has written a post to help you locating and repairing it. First, we will look at the serpentine belt noises on your Bmw Serie 3 and then we will look at the origins of these sounds.serpentine-belt-noise-bmw-serie-3

I experience noises from serpentine belt Bmw Serie 3

The best strategy to check the condition of your belts is to listen to your vehicle. Immediately after you notice sounds such as squealing or bells, you should take a closer look to examine their origin. The function of the serpentine belt or driving belt of your Bmw Serie 3 is to transmit 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 vital in the normal general performance of your vehicle. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the capacity to drive distinctive engine elements at variable speeds.

I perceive squealing noises on my serpentine belt Bmw Serie 3

This sort of squealing belt noises on Bmw Serie 3, which will often be acute, can mostly arise when the engine is cold, or when the acceleration increases in intensity. . This sort of noise must be significant and it is normally quite simple to link it with one of these belts. To examine, do not hesitate to open your bonnet, engine running cold and check the origin of this noise, the serpentine or driving belt being visible, it should not be too complicated for you to point a belt noise on your Bmw Serie 3. The reason of this problem can be related to the damper pulley, which operates as a damper to eliminate 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 Serie 3 is exposed, it may squeak due to excessive humidity due to weather conditions and it may stop with a change in conditions. Remember to examine the condition of your belt (crack, crack), if this is the case replace it, otherwise simply tighten the belt.

I perceive loud serpentine or driving belt noises Bmw Serie 3

Just like squealing, a driving belt noise on your Bmw Serie 3 that sounds like a loud grinding sound can tell you a lot about its condition. It is therefore important that you look further and find the cause for this sound that can indicate 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 origin of this problem. Make sure you examine first the serpentine/driving belt which in most cases is the reason of this problem, otherwise it will be necessary to replace the tensioner or pulley.

I perceive bearing noises on the serpentine belt of my Bmw Serie 3

Finally, if in your case you distinguish a bearing belt noise on Bmw Serie 3, it is conceivable that it is related to a serpentine belt that is too tight . Indeed, it is conceivable that its size may be smaller than prescribed and cause the entire system to overvoltage, resulting in this whistling noise or slight rolling noise. The problem 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 change it if it is too short. If after checking all thoses alternatives, you still perceive a belt noises, read our article about timing belt noises on Bmw Serie 3 which could maybe help you.