It is never enjoyable to listen to a sound that you don’t know where it originates from. So, what if you find a gearbox noise that is persistant on your BMW i3? It is most likely to be a minor issues, but before making sure of that, it is best to conduct a few verifications. Our staff has composed this content to help you to fix it. First, we will see what the sources and different gearbox noises can be on BMW i3, and second, what are the solutions available to you. gearbox-noise-bmw-i3

The distinct noises and their origins

A gearbox / your transmission is the essential element of the transmission, it is linked to the clutch that will release the engine pressure on the gearbox mechanisms. Discovering noises from your BMW i3’s gearbox is never a good indication, its repair is almost impossible to execute due to the lack of specialized mecanician and its replacing necessitates a heavy expense. The gain is that generally its life expectancy after a first noise is reasonably long, which offers you time to plan the repair, but it is crucial to check right away what is your specific issues.

Your BMW i3 transmission produces noise in neutral

If you experience a gearbox noise even when you are in neutral, it means that the gearbox’s internal elements are already well worn and that you will have to replace it fairly quickly. In fact, if you are not even with a gear on and it generates noise, the pinions must already be at the end of their life.

You listen a squeaking, a humming noise at the time of the gear shift

If you are regrettably hearing squeaks, or humming noises when you change the gears of your BMW i3, it is unfortunately a good bet that it is your gears that are starting to fatigued. If this noise is not restricted to passing the first gear and keep going when you drive and shift other gears. This is most likely an indication of a gearbox which is nearly good to be change. If you have the feeling after checking that the noise comes from the clutch and not the gearbox, we recommend you to browse this content in order to find the triggers and solutions to a clutch noise on BMW i3.

You experience a whinning or hummin sound from the gearbox of your BMW i3

Finally, if you listen a noise almost like a humming or whinning sound on the transmssion of your BMW i3, it is very often the case that the gearbox of your BMW i3 lacks oil. In fact, if it lacks oil, the elements will be exposed and grind agaisnt each other. In addition, each of its contacts will generate chips or metal dust that will mix with the oil and generate even greater resistance to mechanisms that are already worn out, a snowball effect will appear if you do not as soon as possible change the oil. In this case the oil should be black and your can can smell burning. In certain cases this kind of noises will be linked to a release bearing on BMW i3, don’t hesitate to read our content.

The solutions existing if you have a gearbox noise on your BMW i3

  • Verify the gearbox oil of your BMW i3 via the level gauge and consider replacing it if the oil is black
  • Use the double clutch to try to make it last till you’re able to replace the gearbox, this will limit the already advanced wear of your gearbox and limit the wear of the pinions.
  • Start looking for a second-hand or new gearbox, very few mechanics have the capability to change damaged parts in your own system, they will almost always offer you a standard exchange.