If you pay attention to a noise on your car, you are right to be attentive of it and take it seriously, although it is possible that nothing serious will happen, it is also possible that it is the sign of a more important restoration. A noise that happens in the trunk of your Bmw 1 series is thankfully more a signal of a small adjustment or fix, rather than a difficult one. To help you in your research, we have chosen to compose this article to present you with the most likely solutions to your issue. First we will see that this trunk noise on your Bmw 1 series can come from accumulated dirt, the issue 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 1 series : Accumulated dirt that triggers poor closing
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We will therefore start with a trunk noise on your Bmw 1 series triggered by dirt accumulated on your joints, lock for example. Indeed, it is possible that on a car that is already a few years old and whose cleaning is not always a main concern or that the roads used are not very clean that dirt builds up at the trunk gasket. This issue triggers a poor closure of the trunk and a noise that can sound like a crack. To examine if you are in this situation, open the trunk of your Bmw 1 series, check the condition of the gasket that goes 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 difference. 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 1 series that is relating to other sources such as shock absorbers, do not hesitate to read this article on the noises at the back of a Bmw 1 series.
Noise in the trunk of my Bmw 1 series : Loose lock, clicking noise
Second possibility, you may also, over time, knowledge a locking system that became loose. And this is one of the most probably alternatives. Indeed, knowing a trunk noise on your Bmw 1 series is very frequently relating to this issue. Several solutions are available to you according to the level of play you have with your lock. The first is that in some cases the offset is minimal and a simple greasing of the mechanism with thick grease is good enough to eliminate the issue. 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 enables 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. Remember to examine the centering of the striker in regards to the trunk lock. If after examining the trunk of your Bmw 1 series closes badly, it means that you have moved it too far, replicate the operation by pushing the striker less.
Noise in my trunk Bmw 1 series : Rivet following plate change in the trunk/ bumper
Finally, one of the last possibilities. It is that following a license plate change you were unfortunate and that a piece of rivet fell backside your plate. Indeed, when a plate swap is made, to remove the old one the process 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 induce an annoying noise. To check that it is this problem you are experiencing, and that you have a trunk noise on your Bmw 1 series linked to a rivet, you will need to examine that it is in the tailgate open it and stir it to define the noise. If this is your case, you will have to take out the linings from the trunk to remove it. Finally, if it is your bumper, it is in this rarer and more embarrassing case, you will have to remove the bumper to remove the bits of rivet that are running around.
