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<blockquote data-quote="peckchoonheng" data-source="post: 7824" data-attributes="member: 812"><p>Recently my wife told me that the windows of her 523i were going to give way after hearing loads of squeaking noise.&nbsp; &nbsp; After the visit to the mechanic, it was found out that it is due to rubbing between the body and the doors’ rubber seals.&nbsp; I was told to apply those “leather shine” on them and it did quiet down.&nbsp; &nbsp; However, this does not last very long. After about two weeks the noise becomes prominent again.&nbsp; &nbsp; Does anyone know the root of the problem?&nbsp; Would changing all the seals (RM1000+) helps or I need to tighten certain nuts for the doors?&nbsp; &nbsp; Now my 1991 E34 CKD runs much quieter and I had never once applied any lotion to any interior of the car, not even the dashboard.&nbsp; In fact, I hardly paid attention to the maintenance this 520i.&nbsp; &nbsp; Does this kind of problem only happen in CBU cars?&nbsp; &nbsp; I don’t think I’m able to carry out the routine of applying the silicon lotion to the doors every two weeks for very long.&nbsp; &nbsp; [FONT=&amp;quot]Helps from the experts would be very much appreciated[/FONT]</p></blockquote><p></p>

[QUOTE="peckchoonheng, post: 7824, member: 812"] Recently my wife told me that the windows of her 523i were going to give way after hearing loads of squeaking noise. After the visit to the mechanic, it was found out that it is due to rubbing between the body and the doors’ rubber seals. I was told to apply those “leather shine” on them and it did quiet down. However, this does not last very long. After about two weeks the noise becomes prominent again. Does anyone know the root of the problem? Would changing all the seals (RM1000+) helps or I need to tighten certain nuts for the doors? Now my 1991 E34 CKD runs much quieter and I had never once applied any lotion to any interior of the car, not even the dashboard. In fact, I hardly paid attention to the maintenance this 520i. Does this kind of problem only happen in CBU cars? I don’t think I’m able to carry out the routine of applying the silicon lotion to the doors every two weeks for very long. [FONT=&quot]Helps from the experts would be very much appreciated[/FONT] [/QUOTE]

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