How to get rid of the violins in the doors and side windows of the BMW 3 E90

In order to get rid of the violins in the glass and the doors of BMW 3 E90, you will have to work hard. First of all, it is necessary to re-regulate all the doors and change all the groans in them to new. After that, we need to wash all the sealers and the doors with a special tool for rubber band. If and after this creaking do not disappear, you can process external compacted and shodder around doors with silicone grease or gladly plating (vibration).