It is rarely pleasant to notice a sound you don’t know about, and which comes from your car. Thus, what if you spot an exhaust noise that remains on your Bmw Serie 6? It is highly possible that this is a minimal problem, however, before being sure, it is better to operate some inspections. Our team has made this to support you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Bmw Serie 6 and second, if you have a metallic rattling noise on your Bmw Serie 6.
Muffled exhaust noise Bmw Serie 6
Exhaust pipe with holes Bmw Serie 6
Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the car engine, which could finally become dirty, for example. If you have an exhaust noise on your Bmw Serie 6, it is possible that it is due to a crack in the exhaust pipe, this is the most classic reason. To be able to validate this, locate someone under the running motor car and accelerate to help them locate the origin of the hole. Once discovered, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be replaced.
Element dislocated exhaust pipe Bmw Serie 6
The other possibility of being the subject of a muffled exhaust noise on Bmw Serie 6 is to have a part of the exhaust device that has dislocated because of vibrations for example. Indeed some junctions of the different parts of the pot can loosen after some time and cause an exhaust gas leak in places not intended for this purpose. These fumes will then generate a loud noise. Same technique as above, we go under the Bmw Serie 6 to define the problem area, and tighten or replace the bolts. If you hear a muffled sound but after verifying 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 6.
Metal rattling exhaust sound Bmw Serie 6
Damaged exhaust muffler noise Bmw Serie 6
If, alternatively, you are exposed to an exhaust sound that is more of a metallic sort of, it is possible that one or more parts of your exhaust may be injured. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the reason of this noise. To be sure, go under your Bmw Serie 6, cold, and tap each of the previously stated parts with a hammer to define 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 out of date 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 6, 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 6 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Bmw Serie 6 may be related to a poor attachment of your exhaust to your car. Indeed, over the years, vibrations, the pot fasteners on the car chassis can come off. In this case, you need to check, 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 check 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 replaced.
