Do you hear a metallic noise on your BMW i3 when ever you drive? We understand that this is not relaxing and that you have questions. Listening such a noise is not always a good indication, but it may also be nothing serious. To help you solve this problem, we have decided to produce this content page to help you in this investigation. In order to carry out this research as efficiently as possible, we will first check out the possible origins of metallic noise in the front of your automobile, and then, if the metallic noise comes from the rear of your automobile.
Metal noise BMW i3 coming from the front end of the automobile
I listen to a metal rattling noise coming from wheels
- Metallic noise caused by your bearing
- Metalic noise coming from brake
- Stabilizer bar worn
One of the possible triggers of metal noise symptoms on your BMW i3, may be that one of your bearing is tired, it will tend to generate a loud noise that increase when stressed (turns faster and faster). So keep in mind to verify by taking speed (neutral gear and window open to give consideration only to noise of the wheels) that the noise is well established here, if this is the case change it or them fairly quickly. If, on the other hand, this noise only manifests itself with an engaged speed, browse this report on loud noise on BMW i3, you will most likely find a remedy to your problem.
If you encounter a metalic noise on BMW i3 and you have the feeling that it comes from your front wheels, it is highly possible that it is your pads or discs that are the reason. Indeed, a disc or a set of dead plates will make a strong metallic friction noise that you will inevitably feel. To verify this, put your automobile on safety stand, and verify the state of your discs and pads by removing the wheel. If they are involved, change them promptly , otherwise you will no longer be able to brake. If you experience a metallic noise from your automobile, and you want informations about it, browse this article for more info about brake noises on xxx.
If it is rather when you are turning, passing over a bump or sidewalk that you listen to a metallic noise on your BMW i3, then your rods may be worn. Whether it is the steering or the stabilizer bar, their wear will induce a metallic snap when they hit or change direction. To verify this, put yourself under your automobile, without the wheels, and move your rods, if they only oppose very little force it is likely that they will have to be changed. If this is your case, we recommend that you have a look at this content page for a complete guide about steering noises on BMW i3.
Other sources
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- Engine silentblock
- Dead gearbox, or broken pinion
A bit like worn stabilizer bar, if your engine silent blocks are damaged, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your BMW i3. Once screwed up, they will no longer accomplish their task as shock absorbers and, with each impact, or violent acceleration, a noise will appear. Therefore, keep in mind to verify their status and change them if needed. Feel free to read this content page which is a complete file about strut mounts noises on BMW i3, how to verify their state and replace them.
Finally, the last common reason of metallic noise on BMW i3. It’s because your transmission system is the source. It is possible, either because of improper use of the gearbox or because of excessive wear, that some gears in your gearbox have broken and are wandering around in it. They will then make a continuous metal rattling noise. That you shouldn’t feel in neutral. If this is your case, we recommend that you look at this detailed guide on the sources of steering noises on BMW i3.
Metallic noise BMW i3 coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you discern an exhaust noise that is more of a metallic type, it is possible that one or more parts of your exhaust may be damaged. Indeed, it is possible that either the catalyst or the silencer may be the reason of this noise. To be certain, go under the automobile, cold, and knock each of the previously stated components with a hammer to determine the source of the noise. You should perceive things moving in the problematic part, if it’s the exhaust baffles, you can try to hammer in the section a little to try to block them and limit their movements. If it is a dead catalyst, it will be required to reflect on changing it, as well as the silencer. In this case, to eliminate the metallic noise on your BMW i3, you will either have to find a second hand one and do it yourself, or go to your mechanic.
Noise from wheels
- Bearings
- Brake pads or discs
As for the bearings of your automobile, it is possible that with wear they are at the origin of your metallic noises on your BMW i3. Go a little further up in the article where you will find details of the solution already exposed for the front part of the automobile.
Finally, if the noise comes from your discs brakes or pads, you should refer to the part in question in the first section of this manual.
