I'd start looking at connections being loose or corrosion. Weatherproof best as possible. Parts don't go bad constantly like that without a reason. Also see how much voltage they're getting and rated for. They could be burning up from to much power.

Quote Originally Posted by rhenuset View Post
Do you have a DRL sensors? I put tape over mine to fool the car into thinking its night out all the time so the hids get a constant 12v and no problems
Pull the fuse