In case you have that rare CANBUS Error or Bulb Error showing up on your dash, this intelligent LED Headlight/foglight bulb decoder takes care of it.  It uses not only the traditional resistor to combat the flickering you might have, it also uses a specially designed IC to solve your error issue.  Made with aircraft aluminum, this will stay much cooler than any of it's predecessors.  With it's slim design, you'll have a much easier time mounting it in your engine bay.