You acknowledge a starter motor noise on your BMW 5 Series when you start your car. We can understand that this is not pleasant and that you have questions. Experiencing such a sound is not always a good sign, but it may also be nothing serious. To support you remedy this issue, our team has chosen to create this article to support you in this research. First, we will describe how the starter motor functions on your BMW 5 Series, and then what starter motor noises you can encounter on your BMW 5 Series.
Functioning and various information
Function of a starter motor on BMW 5 Series
The starter motor is an electric motor whose single task is to start the engine motor of your automobile. By a magnetic system and a “serial” technology, it will release an enormous torque that will allow it to drive the pistons of the engine that are exposed to enormous compression and an oil that provides additional resistance being not very fluid when cold.
It is completed by the “solenoid”. It is an electromagnet that goes under a 12 volt electric impulse to push the fork (link part between the “solenoid” and the electric motor of the starter) and thus engage the starter drive pinion on the engine flywheel. Following this action, once in engagement, the starter motor of your BMW 5 Series is activated and turns the drive pinion on the flywheel to start the engine.
How to avoid starter motor noises on BMW 5 Series
- Do not try to start your engine for too long
- Do not use a starter motor on BMW 5 Series with a tired battery
Even if your engine does not start because of tired glow plugs, for example, or because the temperature is too cold. You should not turn your key for more than a few seconds or you will burn your starter motor.
Although when you have a battery that is drained, you always want to start your automobile, the energy it is capable of holding may not be enough to give the power required by the starter motor to start your engine motor. Repeated attempts will pre-use your starter motor and if you do not solve the reason of your failure to start repeatedly, your starter may be the future part you will have to change.
I acknowledge noises from the starter motor of my BMW 5 Series, what are the causes?
I feel a loud noise from the starter of my BMW 5 Series
If you hear a starter motor noise on BMW 5 Series and you have the feeling that it is approaching a loud noise, it is possible that it is the starter motor gears that are at the source of it. Indeed, often when the component has been dismantled for other fixes, its adjustment in relation to the engine flywheel may no longer be perfect, in which situation the gears will be worn down as time passes and will not slip and will no longer properly activate the engine when starting. Check the condition of the drive pinion, if it is the component resposible of the starter motor noise on your BMW 5 Series replace it.
If it is a noise in the front of your automobile but it seems to you after checking not to come from your starter, check this article about front end noise on BMW 5 Series which may offer you other leads to remedy your noise issue.
I acknowledge a clicking noise of the key running in my neiman but no noise at the starter motor of my BMW 5 Series
If you acknowledge a clicking noise at the starter motor of your BMW 5 Series, there are two possible failures related to this sign. If you have in addition to the noise the motor is not running, it may be the “solenoid” is not supplied with energy. One of the most common ways to relaunch it is to hit it with a metal bar to remove the dust that blocks it. If that is not enough, it may be the neiman who is involved. You could have a issue with unplugged cable check your electrical installation. If after examining this clicking noise on BMW 5 Series doesn’t come from your starter motor, check this article for more informations.
