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      02-02-2012, 12:54 PM   #2
Rotary Rasp
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Drives: 2009 E92 335i 6MT
Join Date: Aug 2008
Location: SoCal - Torrance

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Originally Posted by nj335i View Post
I recently had one of my ballasts replaced and am using 6000k d1s bulbs. The problem I'm encountering is that the light will intermittently turn on for a few seconds, and then shut off for the rest of the drive. Is this an issue with the ballast, bulb, or something else?
Honestly, it could be either. But if you're using the oem ballast (which are bulletproof), then it's likely your bulb.