Go to Alpinemss.com and get one of those hid kits. I've been running mine for a few months with no errors and no problems. The 10k imo is the best, it definitly sets your car apart from the other multitude of bimmers. Everyone has the "pure white" look, I went a different route and I swear everyone and their mommas ask me where I got it from and how they want to do the samething as mine#GetOffMyNuts