It is rarely pleasing to notice a sound you don’t know about, and which will arrive from your car. Thus, what if you detect an exhaust noise that is persistant on your BMW X6? It is highly possible that this is a minor problem, however, before being sure, it is better to conduct some inspections. Our team has produced this to help you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your BMW X6 and second, if you have a metallic rattling noise on your BMW X6.
Muffled exhaust noise BMW X6
Exhaust pipe with holes BMW X6
Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the engine, which could in the end become dirty, for example. If you have an exhaust noise on your BMW X6, it is plausible that it is due to a crack in the exhaust pipe, this is the most common explanation. To be able to confirm this, locate a friend or relative under the running motor vehicle and accelerate to help them locate the source of the hole. Once determined, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be swapped.
Element dislocated exhaust pipe BMW X6
The other possibility of being confronted with a muffled exhaust noise on BMW X6 is to have a part of the exhaust device that has dislocated caused by vibrations for example. In fact some junctions of the different parts of the pot can loosen along 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 X6 to identify the problem location, 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, think about having a look at this document which gives answers gives solutions about rear end noises on BMW X6.
Metal rattling exhaust sound BMW X6
Damaged exhaust muffler noise BMW X6
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 injured. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the cause of this noise. To make sure, go under your BMW X6, cold, and tap each of the previously stated parts with a hammer to identify 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 dead 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 X6, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise BMW X6 : Silentblock, loose pot
Finally, a metallic exhaust noise on your BMW X6 may be connected to a poor attachment of your exhaust to your vehicle. In fact, over the years, vibrations, the pot fasteners on the vehicle 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 reacts. 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 swapped.
