E46Fanatics - View Single Post - replace factory ballast with aftermarket
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Old 09-12-2012, 04:38 PM   #1
Registered User
Join Date: Dec 2010
Location: CT
Posts: 117
My Ride: 2004 325xi
replace factory ballast with aftermarket

Last winter I had issues with flickering and failure of my passenger side factory xenon. Did lot of search, research and troubleshooting. Checked the ground connections, swapped bulbs, swapped ballasts, swapped ignitors. I could not isolate the problem. I finally said screw it and plugged in a Morimoto 3Five ballast. All works fine and has for 6 months plus.

My solution for sealing the projector innards from the elements (due to the ballast wire to the bulb connection) is not elegant and a temporary solution at best. I'd like to incorporate the factory black dome/seal if possible. Swapping bulbs etc means removing a bunch of tape and plastic.

I'm looking for ideas to do this in a more permanent way. For those that have tackled this one, any thoughts are appreciated.
2004 330xi 6spd
2003 325i 5 spd
2003 325i 5 spd
2007 335i 6 spd
1985 635 Euro csi 5 spd
1986 535i 5 spd
1984 320i Baur 5 spd
1981 323i Euro 5 spd

Last edited by Essing; 09-12-2012 at 04:48 PM.
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