e60 550i Headlight Ballist
03-06-2012, 05:55 AM
#1
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My Ride: 2013 BMW 550i M-Sport
Hey Guys!
So I have replaced my D1S bulbs from stock 4300K to 6000K and after about a month the passenger side stops working. I put the stock bulbs back in and they work fine. Any ideas??
I was thinking that the ballist is going bad and that I need to replace the passenger side ballist to fix the issue.
Any help or thoughts would be great.
Thanks,
Craig
So I have replaced my D1S bulbs from stock 4300K to 6000K and after about a month the passenger side stops working. I put the stock bulbs back in and they work fine. Any ideas??
I was thinking that the ballist is going bad and that I need to replace the passenger side ballist to fix the issue.
Any help or thoughts would be great.
Thanks,
Craig
03-06-2012, 05:59 AM
#3
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My Ride: MY07 525xi Silver Gray
Model Year: 2007
Ummm ... if you replaced back the 6000K D1S bulb w/ the stock 4300K D1S bulb and all good = you have bad bulb that burnt out 
03-06-2012, 06:05 AM
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