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Old 02-02-2007, 02:58 PM   #3
afx twin
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Join Date: Jul 2005
Location: NJ
Posts: 198
My Ride: 2006 M3
i believe it has something to do with the fact that LEDs are way more sensitive to voltage than regular filament bulbs. our cars send out electrical pulses to check all the bulbs and it just happens to be that LEDs are sensitive enough to pic up this current and turn on. they do turn off though, once the system ecu shuts off.
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