It is rarely pleasing to perceive a sound you don’t know about, and which comes from your car. So, what if you detect an exhaust noise that is persistant on your Bmw Serie 2? It is highly possible that this is a small issue, however, before being sure, it is better to conduct some checks. Our team has produced this to support you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Bmw Serie 2 and second, if you have a metallic rattling noise on your Bmw Serie 2.
Muffled exhaust noise Bmw Serie 2
Exhaust pipe with holes Bmw Serie 2
Having a muffled sound from its exhaust is not insignificant and can end in 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 2, it is possible that it is due to a hole in the exhaust pipe, this is the most typical cause. To be able to validate this, situate a friend or relative under the running motor car and accelerate to help them recognize the source 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 2
The other possibility of being subjected to a muffled exhaust noise on Bmw Serie 2 is to have a part of the exhaust unit that has dislocated as a consequence of vibrations for example. In fact some junctions of the different parts of the pot can loosen with time and induce an exhaust gas leak in places not intended for this goal. These fumes will then generate a loud noise. Same technique as above, we go under the Bmw Serie 2 to establish the issue location, and tighten or replace the bolts. If you hear a muffled sound but after examining it doesn’t seem to come from the pot itself, consider looking at this document which gives answers gives solutions about rear end noises on Bmw Serie 2.
Metal rattling exhaust sound Bmw Serie 2
Damaged exhaust muffler noise Bmw Serie 2
If, on the other hand, you are subject to an exhaust sound that is more of a metallic type, it is possible that one or more parts of your exhaust may be damaged. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the cause of this noise. To be certain, go under your Bmw Serie 2, 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 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 2, you will either have to find a used one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Bmw Serie 2 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Bmw Serie 2 may be in connection with a poor attachment of your exhaust to your car. In fact, over the years, vibrations, the pot fasteners on the car 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 responds. Backwards there should be some play and be able to move but not too much. The closer you get to the engine motor, 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 replaced.
