You listen to a starter motor noise on your BMW i3 once you start your automobile. We agree that this is not agreeable and that you have questions. Hearing such a sound is not always a good indication, but it may also be nothing severe. To support you remedy this trouble, our team has decided to compose this article to support you in this research. First, we will detail how the starter motor works on your BMW i3, and then what starter motor noises you can encounter on your BMW i3.starter-motor-noise-bmw-i3

Functioning and various information

Function of a starter motor on BMW i3

The starter motor is an electric motor whose only role is to start the engine unit of your car. By a magnetic system and a “serial” technology, it will generate 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 element 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 i3 is activated and turns the drive pinion on the flywheel to start the engine.

How to prevent starter motor noises on BMW i3

  • Do not try to start your engine for 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 your starter motor. Indeed, the current essential to make it turn and the speed of rotation only permits it to perform its function over very short and intense periods of time. If the car does not start, look for the solution elsewhere.

  • Do not use a starter motor on BMW i3 with a tired battery
  • Although when you have a battery that is tired, you always want to start your car, the energy it is capable of holding may not be sufficient to give the power needed by the starter motor to start your engine unit. Repeated attempts will pre-use your starter motor and if you do not correct the cause of your failure to start repeatedly, your starter may be the future part you will have to change.

I listen to noises from the starter motor of my BMW i3, what are the origins?

I encounter a loud noise from the starter of my BMW i3

If you experience a starter motor noise on BMW i3 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. Indeed, often when the part has been dismantled for other maintenance, its adjustment in relation to the engine flywheel may no longer be appropriate, in which situation the gears will be worn down over time and will not slip and will no longer properly activate the engine when starting. Verify the state of the drive pinion, if it is the part responsible of the starter motor noise on your BMW i3 replace it.
If it is a noise in the front of your car but it seems to you after examining not to come from your starter, browse this article about front end noise on BMW i3 which may offer you other leads to fix your noise trouble.

I listen to a clicking noise of the key running in my neiman but no noise at the starter motor of my BMW i3

If you listen to a clicking noise at the starter motor of your BMW i3, there are two possible failures linked to this warning 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 classic 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 might have a trouble with unplugged cable verify your electrical installation. If after checking this clicking noise on BMW i3 doesn’t come from your starter motor, check this article for more informations.