It is never enjoyable to notice a sound that you don’t know where it comes from. So, what if you discover a gearbox noise that is persistant on your BMW 7 Series? It is most likely to be a small issues, but before making sure of that, it is best to conduct a few verifications. Our staff has made up this content page to support you to fix it. First, we will see what the sources and different gearbox noises can be on BMW 7 Series, and second, what are the solutions available to you. gearbox-noise-bmw-7-series

The different noises and their origins

A gearbox / your transmission is the significant element of the transmission, it is coupled to the clutch that will release the engine force on the gearbox mechanisms. Hearing noises from your BMW 7 Series’s gearbox is practically never a good indicator, its fix is pretty much unimaginable to accomplish due to the lack of professional mecanician and its replacing involves a heavy expense. The advantages is that generally its life expectancy after a first noise is reasonably long, which offers you time to arrange the fix, but it is fundamental to examine quickly what is your precise issues.

Your BMW 7 Series transmission makes noise in neutral

If you encounter a gearbox noise even when you are in neutral, it shows that the gearbox’s internal parts are already well worn and that you will have to change it fairly quickly. In fact, if you are not even with a gear on and it makes sound, the pinions must already be at the end of their life.

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

If you are sadly hearing squeaks, or humming noises when you change the gears of your BMW 7 Series, it is unfortunately a good bet that it is your gears that are starting to fatigued. If this sound is not limited 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 looking at that the noise comes from the clutch and not the gearbox, we suggest you to read this content page in order to find the triggers and solutions to a clutch noise on BMW 7 Series.

You encounter a whinning or hummin sound from the gearbox of your BMW 7 Series

Finally, if you experience a noise close to a humming or whinning sound on the transmssion of your BMW 7 Series, it is very often the case that the gearbox of your BMW 7 Series lacks oil. In fact, if it lacks oil, the parts 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 happen if you do not almost instantly change the oil. In this situation the oil should be black and your can can smell burning. On occasion this kind of noises will be linked to a release bearing on BMW 7 Series, don’t hesitate to check out our content page.

The solutions available if you have a gearbox noise on your BMW 7 Series

  • Examine the gearbox oil of your BMW 7 Series via the level gauge and consider changing 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.