If you find a noise on your automobile, you are right to be attentive of it and take it seriously, although it is possible that nothing major will occur, it is also possible that it is the signal of a more important repair. A noise that comes out in the trunk of your BMW 7 Series is fortunately more a indicator of a small adjustment or repair, rather than a complex one. To support you in your research, we have chosen to compose this article to present you with the most likely solutions to your trouble. First we will see that this trunk noise on your BMW 7 Series can come from accumulated dirt, the trouble can also come from a loose lock and finally, it can even come from a simple rivet that sits inside your bumper.
Noise in the trunk BMW 7 Series : Built up dirt that triggers poor closing
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We will therefore begin with a trunk noise on your BMW 7 Series generated by dirt accumulated on your joints, lock for example. Indeed, it is possible that on a automobile that is already a few years old and whose cleaning is not always a top priority or that the roads used are not very clean that dirt collects at the trunk gasket. This trouble triggers a poor closure of the trunk and a noise that can sound like a crack. To check if you are in this circumstance, open the trunk of your BMW 7 Series, check the state of the gasket that runs around the entire tailgate and clean it with a wet/soap cloth, dry the whole thing and try to close the trunk and take a dentred road to see the improvement. If this is not the case, continue to the other hypotheses that will probably give a solution. It is possible however that you have a trunk noise on your BMW 7 Series that is relating to other origins such as shock absorbers, do not hesitate to read this article on the noises at the back of a BMW 7 Series.
Noise in the trunk of my BMW 7 Series : Loose lock, clicking noise
Second probability, you may also, over time, knowledge a locking system that has taken up some play. And this is one of the most likely alternatives. Indeed, knowing a trunk noise on your BMW 7 Series is very often relating to this trouble. Different solutions are existing to you according to the level of play you have with your lock. The first is that sometimes the offset is minimal and a simple greasing of the mechanism with thick grease is appropriate to eliminate the problem. Secondly, it is also possible that you really have a lot of play on your lock and that each time the trunk “jumps”, in which circumstance you would have to remove the cover that will allow access to the lock (inside the trunk). Then, using torx screws, you unscrew the striker attached to the threshold, just push it back a little towards the inside of the trunk and tighten it again. You should check the centering of the striker in relation to the trunk lock. If after checking the trunk of your BMW 7 Series closes badly, it means that you have moved it too far, duplicate the operation by pushing the striker less.
Noise in my trunk BMW 7 Series : Rivet following plate swap in the trunk/ bumper
Finally, one of the last possibilities. It is that following a license plate swap you were unfortunate and that a piece of rivet fell at the rear of your plate. Indeed, when a plate swap is done, to take out the old one the technique used is to drill the existing rivets to be able to released the license plate. Unfortunately, it can happen that part of the rivet falls into the hole of the bumper and it will therefore wander inside the bumper and can cause an annoying noise. To check that it is this problem you are experiencing, and that you have a trunk noise on your BMW 7 Series linked to a rivet, you will need to check that it is in the tailgate open it and stir it to identify the noise. If this is your case, you will have to remove the linings from the trunk to remove it. Finally, if it is your bumper, it is in this rarer and more problematic case, you will have to take out the bumper to remove the bits of rivet that are running around.
