I have 6000k 35w HID's for mine. I had to put a relay to the battery, and I soldered 2 4700uf capacitors to the wires that go from the ballast to the bulb. They worked past the error codes, but I ended up coding it out because it was annoying.
Mods: AEM Meth Injection, BDP downpipe, Wagner intercooler, Bilstien B12 Kit, M3 Control Arms, MB Quartz Kit/Alpine Amp
Best 1/4mi: 12.34s @ 111.88MP/h