[quote=UndergroundEuros;12262412]that is because the ballast you are running is not the right one for that car.
We just did the 1st f30 car in south Florida and It worked great!
We sell the kit for $120.00 and you will have no issues at all!
here is some pics of the fog lights, and we did HID Head Lights and LED City light bulb! Sorry not the best pics yet but it will do!
pretty sure it's not the BALLAST.
1988 E28 535is Euro Conversion --- sold
2009 E90 335 6MT --- sold