When you locate unusual noises on your Bmw Serie 3 you commonly tend to be concerned. Especially when you experience a noise coming from the release bearing of your Bmw Serie 3. It is immediately assimilated to an engine issue and can therefore be serious. As we know that you do not take these problems lightly, we have decided to create this article content to help you find the triggers and free yourself from this issues as quickly as possible. To do this, we will first concentrate on the purpose and operation of the release bearing of your clutch, and in a second step we will look in detail at the different release bearing noises on Bmw Serie 3 and their origins.release-bearing-noise-bmw-serie-3

What is the function and operation of the release bearing on Bmw Serie 3?

Purpose of the release bearing on Bmw Serie 3

The release bearing of your Bmw Serie 3 has a crucial purpose in the operation of your entire gearbox system. Indeed, its mission is to liberate the gearbox from the rotation of the engine block via its action. This will allow you to shift gears. It is controlled by the clutch pedal and then by the release fork, which, when it is activated, will press on the clutch and release the gearbox from engine rotation for you allow you to shift gears on your Bmw Serie 3.

Objective of release bearing Bmw Serie 3

Let’s now look at the technical side, the release bearing is composed of two units, a first fixed part that slides only when the stop is pulled, or pushed (determined by its type) and finally a rotating part that is composed of a bearing that will allow it to stay in contact with the mechanism and follow its rotation.
There are two distinct variants of release bearing Bmw Serie 3 :

  • Pulled release bearing
  • It is the most unconventional of the two variants of release bearing . This one, compared with the hydraulic form, is operated by a mechanical pulling system that will release the clutch disc. In this situation, the release bearing must be mechanically fixed to the mechanism.

  • Hydraulic release bearing
  • The hydraulic release bearing, although more complicated, is the type most used in modern automobiles. It is however more complicated than the pulled release bearing. Indeed, it will be composed of a hydraulic tube that will receive the pressure straight from the clutch pedal.
    More conventional clutch stop

Release bearing noises Bmw Serie 3 and their origins

I experience a release bearing noise on Bmw Serie 3 when I drive and it stops when I release my clutch pedal

If you experience a noise from your gearbox, release bearing or clutch itself when your engine is running, but it stops when you press your clutch pedal, this noise often sounds like a bell noise, it is highly possible that your release bearing is the cause. Make sure that this noise stops when you disengage, in which case it is time to swap the release bearing of your Bmw Serie 3.

I experience a release bearing noise when my pedal is up and I experience jolts in my foot

If you experience too much or too little resistance when you press your clutch pedal, and it is associated with jolts that you can experience in your clutch pedal, then the stop/fork release/blades grouping is deteriorated. Indeed, this noise often comes from the broken fork that no longer allows the device to work normally.

I experience a grinding noise coming from the release bearing of my Bmw Serie 3 when I try to shift gears and they do not shift

This issues shows up most often on models equipped with hydraulic release bearing. It is often related to a clutch pedal that has little or no resistance. If you are in this circumstance and you feel a grinding or cracking noise coming from the release bearing of your Bmw Serie 3, then you probably have a leak coming from your release bearing. It must therefore be changed as soon as possible or risk damaging your gearbox in addition to the clutch. If you have a noise coming from the gearbox of your Bmw Serie 3 and it’s not from your release bearing, check this article to have more informations.