You experience a starter motor noise on your BMW 7 Series when you start your car. We agree that this is not enjoyable and that you have questions. Experiencing such a sound is not always a good signal, but it may also be nothing serious. To support you resolve this trouble, our team has chosen to compose this content to assist you in this research. First, we will detail how the starter motor works on your BMW 7 Series, and then what starter motor noises you can know on your BMW 7 Series.
Functioning and various information
Function of a starter motor on BMW 7 Series
The starter motor is an electric motor whose only role is to start the engine of your car. 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 subjected 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 component 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 7 Series is activated and turns the drive pinion on the flywheel to start the engine.
How to prevent starter motor noises on BMW 7 Series
- Do not run your starter too long
- Do not use a starter motor on BMW 7 Series with a tired battery
Regardless if your engine does not start because of tired glow plugs, for example, or because the climate is too cold. You should not try to start 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 car, the energy it is capable of holding may not be sufficient to give the power required by the starter motor to start your engine. Repeated attempts will pre-use your starter motor and if you do not deal with the cause of your failure to start repeatedly, your starter may be the future element you will have to change.
I experience noises from the starter motor of my BMW 7 Series, what are the origins?
I experience a loud noise from the starter of my BMW 7 Series
If you notice a starter motor noise on BMW 7 Series and you have the feeling that it is close to a loud noise, it is conceivable that it is the starter motor gears that are at the origin of it. In fact, often when the component has been dismantled for other maintenance, its adjustment in relation to the engine flywheel may no longer be ideal, in which circumstance the gears will be worn down over time and will not slip and will no longer properly activate the engine when starting. Check the state of the drive pinion, if it is responsible of the starter motor noise on your BMW 7 Series replace it.
If it is a noise in the front of your car but it seems to you after reviewing not to come from your starter, read this content about front end noise on BMW 7 Series which may provide you other leads to eliminate your noise trouble.
I experience a clicking noise of the key running in my neiman but no noise at the starter motor of my BMW 7 Series
If you experience a clicking noise at the starter motor of your BMW 7 Series, there are two possible failures linked 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 traditional 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 concerned. You may have a trouble with unplugged cable examine your electrical installation. If after looking at this clicking noise on BMW 7 Series doesn’t come from your starter motor, check this article for more informations.
