Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If it never happened to you , perhaps you’ve already had that fear. So when you listen to an alternator noise on Bmw Serie 1 E82, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to produce this post to help you find the sources of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Bmw Serie 1 E82 and then what the causes and solutions to alternator noise on Bmw Serie 1 E82 may be.alternator-noise-bmw-serie-1-e82

Role and alternator operation Bmw Serie 1 E82

Alternator role

Your alternator is an vital component of your Bmw Serie 1 E82. Indeed, its task is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of recharging the battery once the car is in motion, to provide power to the car in motion and to allow you to always have a enough energy reserve 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 principle of copper coil wound around a magnet . This coil while rotating generates electricity. It is the engine motor itself that will give the energy required by the alternator to create the energy, via the accessory belt or alternator belt. When your Bmw Serie 1 E82 engine stops, the battery takes over to give the car with energy.

What are the different alternator noises or sounds on my Bmw Serie 1 E82 and what are the causes?

I perceive a knocking noise coming from the alternator of my Bmw Serie 1 E82

One of the characteristic noises of a tired alternator on Bmw Serie 1 E82 is a knocking noise. This alternator sound on Bmw Serie 1 E82 will most of the time show up when your engine is idling, it can be associated with voltage drops that could disrupt the normal operation of electrical components such as headlights for example. In most cases, it is a of both bearings of the alternator that is defective, to examine it, use a multimeter on the terminals of your car with the engine running and you must get a value between 12 and 14.7 volts, which means that your alternator is recharging your battery well. If the value is lower, the alternator of your Bmw Serie 1 E82 is tired and you should consider replacing the bearing if it is the only cause otherwise the entire part.

I listen to a grinding noise coming from the alternator of my Bmw Serie 1 E82

If you are in the case where the alternator of your Bmw Serie 1 E82 produces grinding sounds, in this circumstance you will have to look at it more seriously. This sign can testify as for the knocking sound of a tired bearing, but usually, we often notice by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this circumstance, we recommend that you consult this article to find all the necessary details to solve an accessory belt noise on Bmw Serie 1 E82.

I listen to a loud noise from the alternator of my Bmw Serie 1 E82

Listening a loud noise from the alternator of your Bmw Serie 1 E82 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 recommend that you go to this article to find other ways to solve problem of noises from front end on Bmw Serie 1 E82.