If you locate a noise on your automobile, you are right to be aware of it and take it seriously, although it is conceivable that nothing major will occur, it is also conceivable that it is the precursor to a more major repair. A window noise on BMW 5 Series is fortunately an indication of a small manipulation / repair, rather than a difficult procedure. To support you in your research, we have made a decision to prepare this article to explain the most likely solutions to your problem. First we will talk about the window noises on BMW 5 Series of clicking type, then those of squeaking type and finally the window noises on BMW 5 Series that come from the window lift motor.
I perceive a noise of a BMW 5 Series window: clicking
A window noise on BMW 5 Series can be due to several problems, if in your case you encounter a window noise on BMW 5 Series that sounds like a click, like glass for example, it is conceivable that one of your two lower glass fasteners has broken. Indeed, they are often manufactured from polymer and their strength is not always that good. To verify this you will have to remove your door pannel and verify their state. If you perceive a window noise on BMW 5 Series but you have the feeling that it vibrates when it is opened, it could possibly be the wear of the seals or the position of your rubber guides that triggers this play. If you perceive a clicking noise on BMW 5 Series, but after verifying your window is not the cause, check this article.
I perceive a squeaky BMW 5 Series window noise
Second possibility, you perceive a window noise on BMW 5 Series that looks more like a squeaking or grinding sound, in this case, it is quite conceivable that it is a drying of the seals and/or the mechanism that is involved. Indeed, because of the sun or heat, your seals can dry up and trigger this unpleasant window noise on BMW 5 Series. To eliminate it, you will have to take apart the door panel and grease your seals with a non-corrosive product for plastic, it is also conceivable that it is your mechanism that produces this noise, in this case, the same remedy but on the mechanism directly. If this squeaking noise after verifying is not from your door, check this article about squeaking noises on BMW 5 Series to find out the source.
I perceive a noise of motor-type BMW 5 Series glass
Finally, if you notice a window noise on BMW 5 Series that looks like an electric motor noise when you move your window up or down, it is very likely that your window electric motor lift is at the end of its life. In general this should be connected to a much longer raising or opening time. Check the motor condition and have it swapped if necessary. If this noise is not from your window motor but from something else in your door, have a look at this article on door noises on BMW 5 Series.
