Thread: Rear tail lighting order
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Old 08-20-2018, 10:31 AM
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andrewwynn andrewwynn is offline
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Location: Racine, WI
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Some of the bulbs are pwm controlled for brightness. I thought i noticed some very strange thing like the low filament unused on the lower lamp and pwm used for run light. Very strange

On our 01 x5s all four lamps are dual filament but the top lamp is only wired to use the running lamp. I rewired my top lamps so all four come on for brake.
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2011 E70 • N55 (me)
2012 E70 • N63 (wife)
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