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So after waiting 3 months for my bi-xenons to arrive and installing them about an hour later I didn't know that relay 173 must be pulled out. When I first tested it the headlights lit up fine but now after reading about DRL's I went back to my car and noticed that both the bi-xenon d2s bulbs don't light up. Realizing that I should've probably read about the 173 relay before installing the bi-xenon headlights I am now wondering what I blew. So to those of you that done this error what's blown the ballasts or the bulbs?