It is never pleasurable to hear a noise from your car you don’t know where from. Then what if you detect a serpentine belt noise that lasts on your BMW 2 Series? It is extremely possible that this is a unimportant problem, but before being sure, it is better to conduct some inspections. If this belt noise comes from your serpentine or driving belt, our team has written a page to support you locating and fixing it. First, we will look at the serpentine belt noises on your BMW 2 Series and then we will look at the origins of these noises.serpentine-belt-noise-bmw-2-series

I experience noises from serpentine belt BMW 2 Series

The best strategy to control the condition of your belts is to listen to your car. As soon as you recognise 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 2 Series is to transfer the movement of the engine to the secondary components that it will supply with energy. Like steering, air conditioning, water pump. Its role is therefore vital in the normal performance of your car. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the ability to drive different engine components at variable speeds.

I hear squealing noises on my serpentine belt BMW 2 Series

This sort of squealing belt noises on BMW 2 Series, which will often be acute, can generally 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 connect 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 complicated for you to identify a belt noise on your BMW 2 Series. The reason of this problem can be connected to the damper pulley, which acts 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 2 Series is exposed, it may squeak due to excessive humidity due to weather conditions and it may end with a change in conditions. Keep in mind to check the condition of your belt (crack, crack), if this is the case replace it, otherwise simply tighten the belt.

I hear loud serpentine or driving belt noises BMW 2 Series

Just like squealing, a driving belt noise on your BMW 2 Series that sounds like a loud grinding sound can say a lot about its condition. It is therefore essential that you look further and find the reason 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 correctly. Other possibilities, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the source of this problem. Make sure to check 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 hear bearing noises on the serpentine belt of my BMW 2 Series

Finally, if in your case you distinguish a bearing belt noise on BMW 2 Series, it is possible that it is connected to a serpentine belt that is too tight . Indeed, it is possible that its size may be smaller than suggested 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 possibilities, you still perceive a belt noises, read our article about timing belt noises on BMW 2 Series which could maybe help you.