It is never pleasant to discover a sound you don’t know anything about and comes from your car. So what if you discern a noise that is persistant in the cabin of your BMW 7 Series? It is highly possible that this is a minor issue, but before being sure of that, it is better to do some checks. Our team has written this content to help you identify and fix this cabin noise. First, we will look at those that come from the dashboard, later noises from the cabin, the doors, and finally the plastic noises on BMW 7 Series that appear when it is hot.cabin-noisebmw-7-series

Reasons that can cause noise in the passenger cabin of your BMW 7 Series

I feel plastic rattling noises on the dashboard BMW 7 Series

One of the possible reasons that can make a plastic rattling noise in your BMW 7 Series is that your dashboard, following an intervention or vibrations suffered during its lifetime, it may have fasteners that have come loose or unscrewed. Try to identify the exact spot of this plastic rattling noise on BMW 7 Series and using your vehicle’s technical manual try to examine the tightness of all the screws concerned. Otherwise take your car to your technician.

I experience noises in the cabin BMW 7 Series

The second most common possibility of a cabin noise in your BMW 7 Series is that some parts that come apart may be loose, either because of too frequent disassembly that would have reduced the holding between these elements, or because of vibrations. Think about verifying your ceiling light which is sometimes the cause of a cabin noise on BMW 7 Series. Otherwise open your doors, those closest to the source of the noise and examine all the openings, covers that are installed there, some may have moved and therefore vibrate while driving. In most cases putting them back in place or gluing them is enough to fix the issue.

I perceive door noises on my BMW 7 Series

If you feel a plastic noise on the doors of your BMW 7 Series, it is possible that it is one of your door trim fasteners that is broken, or a screw from an internal mechanism of the glass for example or the loudspeaker that has unscrewed and therefore causes the component in question to rub against the door interior. Feel free to take apart your door trim to find the origin of this plastic door noise on BMW 7 Series. For more information on door noises on BMW 7 Series, feel free to look at this article.

I discover a cabin noise when hot BMW 7 Series

If, on the other hand, you discover cabin noises in your BMW 7 Series when summer arrives or when the outside temperature is warm, it is unfortunately rational that this problem manifests itself more during these times. In fact, plastic being a rather flexible material will expand with heat and will therefore much more easily rub on other plastic or metal parts, this is what will induce cabin noises when hot on your BMW 7 Series. It is difficult to resolve this issue, you can always look for the exact source of the noise, and try to put foams or tape between the expanding parts to limit their noise from their expansion.