It is never pleasing to notice a sound you don’t know about, and which originates from your car. Thus, what if you identify an exhaust noise that persists on your Bmw Serie 1 E82? It is highly possible that this is a small issue, however, before being sure, it is better to execute some inspections. Our team has made this to support you solve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Bmw Serie 1 E82 and second, if you have a metallic rattling noise on your Bmw Serie 1 E82.
Muffled exhaust noise Bmw Serie 1 E82
Exhaust pipe with holes Bmw Serie 1 E82
Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the engine, which could in time become dirty, for example. If you have an exhaust noise on your Bmw Serie 1 E82, it is plausible that it is due to a hole in the exhaust pipe, this is the most regular cause. To be able to verify this, position somebody under the running motor car and accelerate to help them locate the origin of the hole. Once determined, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be changed.
Element dislocated exhaust pipe Bmw Serie 1 E82
The other possibility of being the subject of a muffled exhaust noise on Bmw Serie 1 E82 is to have a part of the exhaust unit that has dislocated because of vibrations for example. Indeed some junctions of the different parts of the pot can loosen over time and generate an exhaust gas leak in places not intended for this goal. These fumes will then produce a loud noise. Same technique as above, we go under the Bmw Serie 1 E82 to establish the issue location, and tighten or swap the bolts. If you hear a muffled sound but after examining it doesn’t seem to come from the pot itself, consider having a look at this article which gives answers gives solutions about rear end noises on Bmw Serie 1 E82.
Metal rattling exhaust sound Bmw Serie 1 E82
Damaged exhaust muffler noise Bmw Serie 1 E82
If, on the other hand, you are exposed to an exhaust sound that is more of a metallic type, it is plausible that one or more parts of your exhaust may be damaged. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the reason of this noise. To be sure, go under your Bmw Serie 1 E82, cold, and tap each of the previously stated parts with a hammer to establish the origin 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 E82, you will either have to find a second hand one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Bmw Serie 1 E82 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Bmw Serie 1 E82 may be in connection with a poor attachment of your exhaust to your car. Indeed, over time, vibrations, the pot fasteners on the car chassis can come off. In this case, you need to verify, when cold, that the pot holds well, to try to get it to move in different directions and watch how it behaves. 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 verify 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 changed.
