So the sound is from the cover that you open to cover the whole cargo area ?? or from that plastic cover on the door ??

when you open the rear door, there is a plastic cover to cover the space between the door and the cargo area.

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08' X5 4.8i with all the options,aerokit,25mm rear wheels spacers,meisterschaft Exhaust GT racing performance level,Hamann lowering kit,LUMMA headlights eyebrows.

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