Thread: D1S lights?
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      04-15-2018, 06:52 PM   #15
WhatDoIPutHere
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Drives: 08 335i
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Quote:
Originally Posted by LimbergCheese View Post
I just had the same problem, my drivers side went out. How did you identify that it was the ballast and not the bulb? I haven't pulled anything out yet. However I have been looking at bulbs.
One way to do it by switching bulbs from one side to the other. It's pain to do, but you'll know forsure what he problem is. I went with an amazon ballast for $50 and it's been working for over a month now. I messed up though and bulb some aftermarket bulbs. Ended up buying 2 lights, but for some reason one side is brighter than the other. Not sure if it's the bulb or ballast that caused this, but I'm going to leave it be for a while.
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