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Old 12-07-2012, 03:10 PM   #15
cityjohn
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Join Date: Nov 2007
Location: Los Angeles
Posts: 2,415
My Ride: 2001 M3
I took apart a VW antenna once (basically the same as BMW vert antenna; about 15 inches). The wavy appearance comes from a wire wound around a fiberglass rod and covered by rubber.
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