Hi Friends,I got a issue to my E90 2006 , after this few year drive my E90 door part , interior part start to have alot of sound / voice come out , im thinking is there anyone has the same problem ? specially for door part the sound was like something loss but when is raining or if i drive with window open the sound will lost , same go to my brother E60 also , i sent to workshop to open up the door and put it back and add in soundproof material but still the same ...Please advice , really cant tahan the sound getting laughter ,ThanksJin