Do you listen to a metallic noise on your BMW 7 Series when ever you drive? We know that this is not relaxing and that you are wandering. Finding out such a noise is not always a good indication, but it may also be nothing serious. To support you fix this problem, we have decided to create this article content to assist you in this search. In order to perform this research as efficiently as possible, we will first have 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 7 Series coming from the front end of the car
I hear 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 causes of metal noise manifestations on your BMW 7 Series, may be that one of your bearing is tired, it will tend to make a loud noise that goes up when stressed (turns faster and faster). So remember to check by taking speed (neutral gear and window open to pay attention only to noise of the wheels) that the noise is well located here, if this is the case replace it or them fairly quickly. If, on the other hand, this noise only manifests itself with an engaged speed, examine this report on loud noise on BMW 7 Series, you will most likely find a remedy to your problem.
If you notice a metalic noise on BMW 7 Series 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. In fact, a disc or a set of dead plates will make a strong metallic rubbing 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, replace them as soon as possible , otherwise you will no longer be able to brake. If you encounter a metallic noise from your car, and you want explications about it, go through this guide for more details about brake noises on xxx.
If it is rather when you are turning, passing over a bump or sidewalk that you hear a metallic noise on your BMW 7 Series, then your rods may be worn. Whether it is the steering or the stabilizer bar, their wear will trigger 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 swapped. If this is your case, we suggest that you browse this article content for a complete guide about steering noises on BMW 7 Series.
Other sources
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- Engine silentblock
- Dead gearbox, or broken pinion
A little like worn stabilizer bar, if your engine silent blocks are weakened, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your BMW 7 Series. Once screwed up, they will no longer accomplish their function as shock absorbers and, with each impact, or violent acceleration, a noise will occur. Therefore, bear in mind to check their status and replace them if required. Feel free to browse this article content which is a complete file about strut mounts noises on BMW 7 Series, how to check their state and replace them.
Finally, the last common cause of metallic noise on BMW 7 Series. 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 suggest that you browse this detailed guide on the sources of steering noises on BMW 7 Series.
Metallic noise BMW 7 Series coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you feel an exhaust noise that is more of a metallic type, it is plausible that one or more parts of your exhaust may be damaged. In fact, it is plausible that either the catalyst or the silencer may be the cause of this sound. To be sure, go under the car, cold, and knock each of the previously stated parts with a hammer to discern the source of the noise. You should acknowledge 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 consider swapping it, as well as the silencer. In this case, to eliminate the metallic noise on your BMW 7 Series, 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 7 Series. Go a little further up in the article 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.
