Most of car headlights flickering will be from led or hid.

Because electric currents of those car headlights are very different from standard bulbs.

For exmple, standard halogen car headlights are about 4.5ap, but car led headlights only about 2.0ap.

So some BCM imcompatible with those car headlights and then flickering always happening.

When find car headlights flickering, you need to add an extra resistor for them.

All of our car headlights can removing 90% flickering.

Please come to talk with us car headlights flickering at any time.