It is never pleasing to listen to a sound you don’t know about, and which will arrive from your car. So, what if you discover an exhaust noise that continues on your Bmw Serie 1? It is highly possible that this is a minor issue, however, before being sure, it is better to accomplish some checks. Our team has made this to help you solve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Bmw Serie 1 and second, if you have a metallic rattling noise on your Bmw Serie 1.
Muffled exhaust noise Bmw Serie 1
Exhaust pipe with holes Bmw Serie 1
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the car engine, which could in time become dirty, for example. If you have an exhaust noise on your Bmw Serie 1, it is possible that it is due to a hole in the exhaust pipe, this is the most usual explanation. In order to validate this, situate someone under the running motor vehicle and accelerate to help them identify the source of the hole. Once located, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be swapped.
Element dislocated exhaust pipe Bmw Serie 1
The other possibility of being subjected to a muffled exhaust noise on Bmw Serie 1 is to have a part of the exhaust system that has dislocated due to vibrations for example. Indeed some junctions of the different parts of the pot can loosen along with time and induce an exhaust gas leak in places not intended for this purpose. These fumes will then create a loud noise. Same technique as above, we go under the Bmw Serie 1 to determine the issue region, and tighten or change the bolts. If you hear a muffled sound but after verifying it doesn’t seem to come from the pot itself, think about having a look at this article which gives answers gives solutions about rear end noises on Bmw Serie 1.
Metal rattling exhaust sound Bmw Serie 1
Damaged exhaust muffler noise Bmw Serie 1
If, alternatively, you are exposed to an exhaust sound that is more of a metallic type of, it is possible that one or more parts of your exhaust may be weakened. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the induce of this noise. To be certain, go under your Bmw Serie 1, cold, and tap each of the previously stated parts with a hammer to determine the source of the noise. You should move things between things in the problematic part, if they are baffles, you can try to push the section a little bit to try to block them and thus limit their movements. If it is a dead catalyst, it will be necessary to consider replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Bmw Serie 1, you will either have to find a second hand one and do it yourself, or go to your technician.
Metal rattling exhaust noise Bmw Serie 1 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Bmw Serie 1 may be connected to a poor attachment of your exhaust to your vehicle. Indeed, over time, vibrations, the pot fasteners on the vehicle chassis can come off. In this case, you need to examine, when cold, that the pot holds well, to try to get it to move in different directions and watch how it reacts. Backwards there should be some play and be able to move but not too much. The closer you get to the engine, the more fixed it should be. Visually examine the fasteners for which you have doubts. Finally, it is possible that a silentbloc may have died . In this case it will have to be swapped.
