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      07-12-2015, 02:29 AM   #5
Asbjorn
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Drives: Z4 N54 DCT (VTT GC lites)
Join Date: Mar 2012
Location: European in China

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WD40 is not a lubricant. It is suitable for removing stickers, tar and loosing rusty bolts etc. Anyway, I wouldnt spray anything back there without knowing what I was aiming at. I assume the noise is there due to dust and dirt accummulating over time somewhere inside. It is a convertible after all. WD40 attracts dust so I wouldnt use that.
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