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Old 09-21-2008, 09:05 AM   #1
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e46 xenon headlights flickering

have a 2001 325i and have noticed the xenon headlights flicker on and off once in a while during driving..

obviously the dealership says i need to replace the whole thing.

any ideas?
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Old 09-21-2008, 12:12 PM   #2
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Might be the ballast - is the colour of the bulb fading? IE is that side more purple that the other? If so, it could just be the bulb.

I suggest talking to Ivan (propr'one). I think he can help you out even if it is the ballast.

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Old 09-21-2008, 06:28 PM   #3
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Pay close attention as to when it flickers. It COULD be a connection issue, although this is somewhat unlikely on an oem install.

-Does only one side flicker, or do both?
-If so, is it always the same side?
---In the above mentionned case, move the bulbs from left to right.
-If the same side still flickers, and intermittantly/randomly (not only when you go over bumps), its a ballast issue.

(shameless plug AbsoluteHID Replacement Ballast)

If the flickering changes from one side to another when you swap the bulbs, its a bulb issue, D2S bulbs

If you have anymore questions, let me know.

I run a canadian led kit & hid kit company, if you have any questions about led headlights or hid kits in canada or would like to check out our products please contact me here:

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Old 09-24-2008, 12:31 PM   #4
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Thanks Ivan, I'll look into this...
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