It is never pleasing to find out a sound you don’t know about, and which will arrive from your car. So, what if you detect an exhaust noise that persists on your BMW X4? It is highly probable that this is a minimal issue, however, before being sure, it is better to conduct some investigations. Our team has made this to support you resolve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your BMW X4 and second, if you have a metallic rattling noise on your BMW X4.
Muffled exhaust noise BMW X4
Exhaust pipe with holes BMW X4
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the car engine, which could eventually become dirty, for example. If you have an exhaust noise on your BMW X4, it is possible that it is due to a hole in the exhaust pipe, this is the most regular explanation. In order to confirm this, locate someone under the running motor automobile and accelerate to help them locate the starting point 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 X4
The other possibility of being subjected to a muffled exhaust noise on BMW X4 is to have a part of the exhaust device that has dislocated as a consequence of vibrations for example. In fact some junctions of the different parts of the pot can loosen over time and cause 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 X4 to discern the issue 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 article which gives solutions gives solutions about rear end noises on BMW X4.
Metal rattling exhaust sound BMW X4
Damaged exhaust muffler noise BMW X4
If, on the other hand, you are exposed to an exhaust sound that is more of a metallic type, it is possible that one or more parts of your exhaust may be broken. Indeed, it is possible that either your baffles, the catalyst or the silencer are the cause of this noise. To be certain, go under your BMW X4, 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 replacing it, as well as the silencer. In this case, to stop the exhaust noise on your BMW X4, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise BMW X4 : Silentblock, loose pot
Finally, a metallic exhaust noise on your BMW X4 may be linked to a poor attachment of your exhaust to your automobile. In fact, after some time, vibrations, the pot fasteners on the automobile 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 changed.
