Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If that didn’t happen to you, perhaps you’ve already had that apprehension. So when you perceive an alternator noise on Bmw Serie 2, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this post to help you find the sources of alternator sounds. In this article, you will first see the role and functions of the alternator in your Bmw Serie 2 and then what the causes and solutions to alternator noise on Bmw Serie 2 may be.
Role and alternator operation Bmw Serie 2
Alternator role
Your alternator is an important part of your Bmw Serie 2. In fact, its mission is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of charging the battery once the automobile is in motion, to provide power to the automobile in motion and to allow you to always have a sufficient energy source to be able to restart the next time.
Alternator functioning
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The alternator works on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while spinning generates electricity. It is the engine itself that will furnish the energy requested by the alternator to produce the energy, via the accessory belt or alternator belt. When your Bmw Serie 2 engine stops, the battery takes over to furnish the automobile with energy.
What are the different alternator noises or sounds on my Bmw Serie 2 and what are the causes?
I hear a knocking noise coming from the alternator of my Bmw Serie 2
One of the typical noises of a tired alternator on Bmw Serie 2 is a knocking noise. This alternator sound on Bmw Serie 2 will generally happen when your engine is idling, it can be linked to voltage drops that could affect the normal operation of electrical elements such as headlights for example. Often, it is a of both bearings of the alternator that is faulty, to examine it, use a multimeter on the terminals of your automobile with the engine running and you must obtain a value between 12 and 14.7 volts, which means that your alternator is charging your battery well. If the value is lower, the alternator of your Bmw Serie 2 is tired and you should think about replacing the bearing if it is the only cause otherwise the complete part.
I perceive a grinding noise coming from the alternator of my Bmw Serie 2
If you are in the situation where the alternator of your Bmw Serie 2 generates grinding sounds, in this case you will have to check it more seriously. This warning sign can testify as for the knocking sound of a tired bearing, but in most cases, we generally realize by looking more meticulously that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we advise that you look for advice this article to find all the necessary details to solve an accessory belt noise on Bmw Serie 2.
I perceive a loud noise from the alternator of my Bmw Serie 2
Experiencing a loud noise from the alternator of your Bmw Serie 2 is quite typical, in fact, it produces an audible sound when producing the electrical pulses it generates. It is up to you to examine that the battery indicator light on your dashboard does not show up, and that you do not have a voltage drop when your engine is running (headlight or dashboard light that jumps for example. If this noise is too loud, we advise that you go to this article to find other ways to solve problem of noises from front end on Bmw Serie 2.
