Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If it never happened to you , at least you’ve already had that apprehension. So when you find out an alternator noise on Bmw 1 series, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this content to help you locate the sources of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Bmw 1 series and then what the causes and solutions to alternator noise on Bmw 1 series may be.
Role and alternator operation Bmw 1 series
Alternator role
Your alternator is an important part of your Bmw 1 series. Indeed, its task is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal 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 principle of copper coil wound around a magnet . This coil while spinning creates electricity. It is the engine itself that will furnish the energy needed by the alternator to create the energy, via the accessory belt or alternator belt. When your Bmw 1 series engine stops, the battery takes over to furnish the automobile with energy.
What are the several alternator noises or sounds on my Bmw 1 series and what are the causes?
I discover a knocking noise caused by the alternator of my Bmw 1 series
One of the characteristic noises of a tired alternator on Bmw 1 series is a knocking noise. This alternator sound on Bmw 1 series will most of the time occur when your engine is idling, it can be connected to voltage drops that could disrupt the normal operation of electrical components such as headlights for example. Most 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 1 series is tired and you should consider changing the bearing if it is the only cause otherwise the entire part.
I find out a grinding noise coming from the alternator of my Bmw 1 series
If you are in the case where the alternator of your Bmw 1 series produces grinding sounds, in this circumstance you will have to look into it more seriously. This warning sign can testify as for the knocking sound of a tired bearing, but generally, we generally notice by looking more closely 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 read this content to find all the necessary information to solve an accessory belt noise on Bmw 1 series.
I find out a loud noise from the alternator of my Bmw 1 series
Finding out a loud noise from the alternator of your Bmw 1 series is quite regular, in fact, it emits an audible sound when creating the electrical pulses it generates. It is up to you to examine that the battery indicator light on your dashboard does not appear, 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 check out this content to find other ways to solve problem of noises from front end on Bmw 1 series.
