You experience a starter motor noise on your BMW 2 Series every time you start your vehicle. We agree that this is not pleasant and that you have questions. Listening such a sound is not always a good indication, but it may also be nothing significant. To support you remedy this problem, our team has chosen to compose this article to support you in this research. First, we will explain how the starter motor functions on your BMW 2 Series, and then what starter motor noises you can discover on your BMW 2 Series.starter-motor-noise-bmw-2-series

Functioning and various information

Function of a starter motor on BMW 2 Series

The starter motor is an electric motor whose only job is to start the engine 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 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 2 Series is activated and turns the drive pinion on the flywheel to start the engine.

How to avoid starter motor noises on BMW 2 Series

  • Do not run your starter too long
  • Even if your engine does not start because of tired glow plugs, for example, or because the weather conditions is too cold. You should not turn your key for more than a few seconds or you will burn it. Indeed, the current necessary to make it turn and the speed of rotation only allows it to perform its function over very short and intense periods of time. If the car does not start, look for the solution somewhere else.

  • Do not use a starter motor on BMW 2 Series with a tired battery
  • Although when you have a battery that is empty, you always want to start your automobile, the energy it is capable of holding may not be good enough to furnish the power needed by the starter motor to start your engine. Repeated attempts will pre-use your starter motor and if you do not fix the trigger 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 2 Series, what are the triggers?

I experience a loud noise from the starter of my BMW 2 Series

If you listen to a starter motor noise on BMW 2 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 origin 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 optimal, in which circumstance the gears will be worn down after some time and will not slip and will no longer properly activate the engine when starting. Examine the state of the drive pinion, if it is the element responsible of the starter motor noise on your BMW 2 Series change it.
If it is a noise in the front of your automobile but it seems to you after examining not to come from your starter, check this article about front end noise on BMW 2 Series which may give you other leads to remedy your noise problem.

I experience a clicking noise of the key running in my neiman but no noise at the starter motor of my BMW 2 Series

If you experience a clicking noise at the starter motor of your BMW 2 Series, there are two possible failures associated with this indicator. 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 concerned. You may have a problem with unplugged cable examine your electrical installation. If after looking at this clicking noise on BMW 2 Series doesn’t come from your starter motor, check this article for more informations.