It is never enjoyable to find out a sound that you don’t know where it comes from. So, what if you specify a gearbox noise that persists on your BMW 5 Series? It is most likely to be a minimal matter, but before making sure of that, it is best to execute a few checks. Our team has made up this content to support you to fix it. First, we will see what the sources and different gearbox noises can be on BMW 5 Series, and second, what are the solutions available to you. gearbox-noise-bmw-5-series

The distinct noises and their sources

A gearbox / your transmission is the necessary component of the transmission, it is coupled to the clutch that will release the engine force on the gearbox mechanisms. Hearing noises from your BMW 5 Series’s gearbox is practically never a good sign, its fix is almost impossible to execute due to the lack of skilled mecanician and its replacing necessitates a heavy expense. The advantages is that generally its life expectancy after a first noise is actually quite long, which provides you time to program the fix, but it is crucial to check right away what is your precise matter.

Your BMW 5 Series transmission makes noise in neutral

If you experience a gearbox noise even when you are in neutral, it denotes that the gearbox’s internal components are already well worn and that you will have to swap it quickly. Indeed, 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 perceive a squeaking, a humming noise at the time of the gear shift

If you are unluckily hearing squeaks, or humming noises when you change the gears of your BMW 5 Series, 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 swap. If you have the feeling after checking that the noise comes from the clutch and not the gearbox, we encourage you to browse this content to be able to find the triggers and solutions to a clutch noise on BMW 5 Series.

You experience a whinning or hummin sound from the gearbox of your BMW 5 Series

Finally, if you perceive a noise almost like a humming or whinning sound on the transmssion of your BMW 5 Series, it is very often the case that the gearbox of your BMW 5 Series lacks oil. Indeed, if it lacks oil, the elements will be exposed and grind agaisnt each other. In addition, each of its contacts will create 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 occur if you do not quickly 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 5 Series, don’t hesitate to have a look at our content.

The solutions existing if you experience a gearbox noise on your BMW 5 Series

  • Verify the gearbox oil of your BMW 5 Series via the level gauge and reflect on swapping 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 capacity to change damaged parts in your own system, they will almost always offer you a standard exchange.