It is never enjoyable to listen to a sound that you don’t know where it originates from. So, what if you identify a gearbox noise that continues on your Bmw Z4? It is most likely to be a minor concern, but before making sure of that, it is best to conduct a few checks. Our team has made this content to help you to fix it. First, we will see what the sources and different gearbox noises can be on Bmw Z4, and second, what are the solutions accessible to you. 
The different noises and their sources
A gearbox / your transmission is the essential component of the transmission, it is coupled to the clutch that will release the engine pressure on the gearbox mechanisms. Finding out noises from your Bmw Z4’s gearbox is rarely a good indication, its fix is nearly unachievable to accomplish due to the lack of special garages and its replacement involves a heavy expense. The advantages is that generally its life expectancy after a first noise is actually quite long, which provides you time to arrange the fix, but it is crucial to check right away what is your precise concern.
Your Bmw Z4 transmission produces noise in neutral
If you encounter a gearbox noise even when you are in neutral, it means that the gearbox’s internal components are already well worn and that you will have to swap it fairly quickly. Indeed, 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 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 Z4, 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 a sign of a gearbox which is nearly good to be replace. If you have the feeling after examining that the noise comes from the clutch and not the gearbox, we advise you to consult this content page in order to find the causes and solutions to a clutch noise on Bmw Z4.
You encounter a whinning or hummin sound from the gearbox of your Bmw Z4
Finally, if you listen a noise close to a humming or whinning sound on the transmssion of your Bmw Z4, it is very often the case that the gearbox of your Bmw Z4 lacks oil. Indeed, if it lacks oil, the elements will be exposed and grind agaisnt each other. In addition, each of its contacts will develop 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 replace the oil. In this case the oil should be black and your can can smell burning. Sometimes this sort of noises will be linked to a release bearing on Bmw Z4, don’t hesitate to look at our content page.
The solutions existing if you feel a gearbox noise on your Bmw Z4
- Verify the gearbox oil of your Bmw Z4 via the level gauge and reflect on 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 capability to replace damaged parts in your own system, they will almost always offer you a standard exchange.
