Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If that didn’t happen to you, at least you’ve already had that fear. So when you listen to an alternator noise on Bmw Serie 4 F32, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this post to support you locate the origins of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Bmw Serie 4 F32 and then what the causes and solutions to alternator noise on Bmw Serie 4 F32 may be.
Role and alternator operation Bmw Serie 4 F32
Alternator role
Your alternator is an important component of your Bmw Serie 4 F32. In fact, its task is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of charging the battery once the car is in motion, to provide power to the car in motion and to let you to always have a sufficient 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 spinning creates electricity. It is the engine motor itself that will furnish the energy required by the alternator to create the energy, via the accessory belt or alternator belt. When your Bmw Serie 4 F32 engine stops, the battery takes over to furnish the car with energy.
What are the different alternator noises or sounds on my Bmw Serie 4 F32 and what are the causes?
I hear a knocking noise originating from the alternator of my Bmw Serie 4 F32
One of the typical noises of a tired alternator on Bmw Serie 4 F32 is a knocking noise. This alternator sound on Bmw Serie 4 F32 will generally happen when your engine is idling, it can be linked to 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 malfunctioning, to verify 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 charging your battery well. If the value is lower, the alternator of your Bmw Serie 4 F32 is tired and you should think about changing the bearing if it is the only reason otherwise the complete part.
I listen to a grinding noise coming from the alternator of my Bmw Serie 4 F32
If you are in the case where the alternator of your Bmw Serie 4 F32 produces grinding sounds, in this circumstance you will have to look at it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but in general, we generally realize by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we encourage that you read this content to find all the necessary information to solve an accessory belt noise on Bmw Serie 4 F32.
I listen to a loud noise from the alternator of my Bmw Serie 4 F32
Experiencing a loud noise from the alternator of your Bmw Serie 4 F32 is quite normal, in fact, it emits an audible sound when producing the electrical pulses it generates. It is up to you to verify 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 encourage that you read this content to find other ways to solve problem of noises from front end on Bmw Serie 4 F32.
