Quote:
Originally Posted by kmarei
my only guess is that somewhere upstream, the HID and halo share a power cable that is not as high a gauge as required.
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The issue is that the car's computer drops the voltage to the halos when the headlights are on, dimming them. This is avoided with the HID installation bu powering directly from the hot lead to the battery and using a relay. The question is why BMW chose to dim the halos with headlights on.