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      11-04-2020, 12:20 PM   #368
MicHern7
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Drives: BMW 328i
Join Date: Aug 2019
Location: San Antonio, TX

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Andrew--I have the same setup as you. Bi-xenons in Depo headlight. If you want to code out the bulb checks, it's in FEM under "Voltage monitoring." You can turn the low beam warm and cold monitoring to "Not active." As you haven't done this, the most that should be happening is a bulb-out warning. It shouldn't turn off one light.

I had a similar issue when I installed mine--driver's side came on like 65% of the time. Worked great once it was on--no flickering or cutting out or weird color. I took this to mean it wasn't the bulb. I swapped the ballasts, and the no-start switched once to the passenger's side, then came back to the driver's side and stayed there. Weird. I then put in a harness (and capacitor) thinking it might be an issue with the power, but it persisted. Then I replaced both ballasts (Pro Canbus) with Morimotos and it has been great since then. Hope this is of some help.
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