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      04-11-2013, 09:23 AM   #7

Drives: Gray E92 M3
Join Date: May 2012
Location: Indiana

iTrader: (3)

Originally Posted by MysticBlue View Post
If the the car detects a problem with one of the daytime running lights, it will discontinue use of both of them. Replace the left bulb and see if they work. I had this a few years ago. If I remember right, the computer might need to be reset by dealer.
Don't know if that is fully true. My 08 had the old bulbs in it and my drivers side eventually died. However, the passenger side one was still working. I was under warranty and took it to the dealership to fix it. They replaced both bulbs with the newer ones... But just because one is out, I don't think both will go out...