It is never pleasing to discover a sound you don’t know about, and which will arrive from your car. Thus, what if you discover an exhaust noise that continues on your BMW X3? It is highly possible that this is a minimal problem, however, before being sure, it is better to conduct some verifications. Our team has created this to help you solve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your BMW X3 and second, if you have a metallic rattling noise on your BMW X3.
Muffled exhaust noise BMW X3
Exhaust pipe with holes BMW X3
Having a muffled sound from its exhaust is not insignificant and can end in 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 X3, it is plausible that it is due to a crack in the exhaust pipe, this is the most common explanation. To be able to verify this, situate someone under the running motor vehicle and accelerate to help them identify 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 changed.
Element dislocated exhaust pipe BMW X3
The other possibility of being suffering from a muffled exhaust noise on BMW X3 is to have a part of the exhaust device that has dislocated resulting from vibrations for example. In fact some junctions of the different parts of the pot can loosen with time and generate 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 X3 to discern the problem place, and tighten or swap 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 document which gives answers gives solutions about rear end noises on BMW X3.
Metal rattling exhaust sound BMW X3
Damaged exhaust muffler noise BMW X3
If, alternatively, you are subject to an exhaust sound that is more of a metallic type, it is plausible that one or more parts of your exhaust may be destroyed. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the induce of this noise. To make sure, go under your BMW X3, cold, and tap each of the previously stated parts with a hammer to discern 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 changing it, as well as the silencer. In this case, to stop the exhaust noise on your BMW X3, 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 X3 : Silentblock, loose pot
Finally, a metallic exhaust noise on your BMW X3 may be connected to a poor attachment of your exhaust to your vehicle. In fact, over time, 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 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.
