what's this thing? - Fuelly Forums

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Old 02-11-2008, 11:17 AM   #1
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what's this thing?

Have seen it on newer BMW's and audi's
http://cgi.ebay.com/ebaymotors/04-05...3286.m20.l1116

Its the one behind the spolier, is it some type of a VG?
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Old 02-11-2008, 11:19 AM   #2
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most of the time thats a GPS / XM etc antenta. they mount the antena on alll cars but if u want XM for ex then it gets hooked up to the XM box. otherwise it's not conected.
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Old 02-11-2008, 02:26 PM   #3
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just a fancy looking antenna.... probably low drag but no benefit adding it if you don't need it imho.
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Old 02-11-2008, 03:02 PM   #4
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thanks for clearing it up.
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Old 02-12-2008, 02:26 PM   #5
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If you look closely at it, you might notice that the shape is a perfect Vortex Generator.
It functions as an antenna, but I'll bet that it also helps as a VG.
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