It is rarely pleasant to listen to a sound you don’t know about, and which comes from your car. Thus, what if you notice an exhaust noise that persists on your Bmw Serie 1 F20? It is highly probable that this is a minimal trouble, however, before being sure, it is better to operate some verifications. Our team has produced 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 F20 and second, if you have a metallic rattling noise on your Bmw Serie 1 F20.
Muffled exhaust noise Bmw Serie 1 F20
Exhaust pipe with holes Bmw Serie 1 F20
Having a muffled sound from its exhaust is not insignificant and can lead to over-consumption, or a malfunction of the engine, which could after a while become dirty, for example. If you have an exhaust noise on your Bmw Serie 1 F20, it is plausible that it is due to a crack in the exhaust pipe, this is the most usual explanation. To be able to verify this, situate a friend or relative under the running motor vehicle and accelerate to help them find the origin of the hole. Once found, 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 F20
The other possibility of being the subject of a muffled exhaust noise on Bmw Serie 1 F20 is to have a part of the exhaust device that has dislocated due to vibrations for example. Indeed some junctions of the different parts of the pot can loosen after a while and cause 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 F20 to discover the trouble region, 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, think about looking at this article which gives solutions gives solutions about rear end noises on Bmw Serie 1 F20.
Metal rattling exhaust sound Bmw Serie 1 F20
Damaged exhaust muffler noise Bmw Serie 1 F20
If, alternatively, you are exposed to an exhaust sound that is more of a metallic sort of, it is plausible that one or more parts of your exhaust may be broken. 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 F20, cold, and tap each of the previously stated parts with a hammer to discover 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 out of date catalyst, it will be necessary to consider changing it, as well as the silencer. In this case, to stop the exhaust noise on your Bmw Serie 1 F20, 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 F20 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Bmw Serie 1 F20 may be connected to a poor attachment of your exhaust to your vehicle. Indeed, as time passes, vibrations, the pot fasteners on the vehicle 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 reacts. Backwards there should be some play and be able to move but not too much. The closer you get to the engine unit, 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.
