You hear a starter motor noise on your BMW X4 once you start your vehicle. We agree that this is not enjoyable and that you have inquiries. Experiencing such a sound is not always a good sign, but it may also be nothing severe. To support you remedy this trouble, our team has decided to prepare this article to assist you in this research. First, we will describe how the starter motor works on your BMW X4, and then what starter motor noises you can encounter on your BMW X4.starter-motor-noise-bmw-x4

Functioning and various information

Function of a starter motor on BMW X4

The starter motor is an electric motor whose only job is to start the engine of your car. By a magnetic system and a “serial” technology, it will launch 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 X4 is activated and turns the drive pinion on the flywheel to start the engine.

How to prevent starter motor noises on BMW X4

  • Do not run your starter too long
  • Regardless if your engine does not start because of tired glow plugs, for example, or because the weather conditions is too cold. You should not try to start for more than a few seconds or you will burn it. Indeed, the current required 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 vehicle does not start, look for the solution elsewhere.

  • Do not use a starter motor on BMW X4 with a tired battery
  • Although when you have a battery that is empty, you always want to start your car, the energy it is capable of holding may not be sufficient 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 resolve the cause of your failure to start repeatedly, your starter may be the future element you will have to change.

I hear noises from the starter motor of my BMW X4, what are the origins?

I feel a loud noise from the starter of my BMW X4

If you listen a starter motor noise on BMW X4 and you have the feeling that it is approaching a loud noise, it is conceivable that it is the starter motor gears that are at the origin of it. Indeed, often when the part has been dismantled for other fixes, its adjustment in relation to the engine flywheel may no longer be appropriate, in which case the gears will be worn down over time and will not slip and will no longer properly engage the engine when starting. Check the condition of the drive pinion, if it is responsible of the starter motor noise on your BMW X4 change 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 article about front end noise on BMW X4 which may offer you other leads to solve your noise trouble.

I hear a clicking noise of the key running in my neiman but no noise at the starter motor of my BMW X4

If you hear a clicking noise at the starter motor of your BMW X4, there are two possible failures related to this symptom. 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 typical 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 verify your electrical installation. If after looking at this clicking noise on BMW X4 doesn’t come from your starter motor, check this article for more informations.