Do you notice a metallic noise on your Bmw Serie 3 every time you drive? We know that this is not pleasant and that you have questions. Hearing such a noise is not always a good indicator, but it may also be nothing major. To support you remedy this problem, our team has decided to write this content to help you in this search. In order to accomplish this research as effectively as possible, we will first take a look at the plausible origins of metallic noise in the front of your car, and then, if the metallic noise comes from the rear of your car.
Metal noise Bmw Serie 3 coming from the front end of the car
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 most likely triggers of metal noise manifestations on your Bmw Serie 3, may be that one of your bearing is tired, it will tend to make a loud noise that increase when stressed (turns faster and faster). So take into account to check by taking speed (neutral gear and window open to give consideration only to noise of the wheels) that the noise is well located here, if this is the case change it or them quickly. If, on the other hand, this noise only manifests itself with an engaged speed, examine this report on loud noise on Bmw Serie 3, you will most likely find a remedy to your problem.
If you experience a metalic noise on Bmw Serie 3 and you have the feeling that it comes from your front wheels, it is highly plausible that it is your pads or discs that are the cause. Indeed, a disc or a set of dead plates will create a strong metallic friction noise that you will inevitably feel. To check this, put your car on safety stand, and check the state of your discs and pads by taking away the wheel. If they are involved, change them quickly , otherwise you will no longer be able to brake. If you encounter a metallic noise from your car, and you want explications about it, examine this article for more details 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 Serie 3, then your rods may be worn. Whether it is the steering or the stabilizer bar, their wear will cause a metallic snap when they hit or change direction. To check this, put yourself under your car, 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 would suggest that you read this content for a complete guide about steering noises on Bmw Serie 3.
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 harmed, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your Bmw Serie 3. Once screwed up, they will no longer fulfill their purpose as shock absorbers and, with each impact, or violent acceleration, a noise will appear. Therefore, please remember to check their status and change them if required. Feel free to consult this content which is a complete file about strut mounts noises on Bmw Serie 3, how to check their state and replace them.
Finally, the last classic cause of metallic noise on Bmw Serie 3. It’s because your transmission system is the source. It is plausible, 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 generate a continuous metal rattling sound. That you shouldn’t feel in neutral. If this is your case, we would suggest that you read this detailed guide on the sources of steering noises on Bmw Serie 3.
Metallic noise Bmw Serie 3 coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you hear an exhaust noise that is more of a metallic type, it is plausible that one or more parts of your exhaust may be damaged. Indeed, it is plausible that either the catalyst or the silencer may be the cause of this sound. To be certain, go under the car, cold, and knock each of the previously stated elements with a hammer to locate 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 necessary to reflect on changing it, as well as the silencer. In cases like this, to eliminate the metallic noise on your Bmw Serie 3, 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 car, it is plausible that with wear they are at the origin of your metallic noises on your Bmw Serie 3. Go a little further up in the content where you will find information of the solution already exposed for the front part of the car.
Finally, if the noise originates from your discs brakes or pads, you should refer to the part in question in the first section of this manual.
