Thread: Shark Fin
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      10-16-2011, 02:44 PM   #6
Frobius
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Drives: E91 330d M-Sport
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Yup, it's a GSM antenna for the bluetooth phone prep. If you put your phone into a snap in holder, it uses tha car's antenna for a phone signal. If you just connect via bluetooth without using the holder, it doesn't use the fin.
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