This brand new ballast is imported directly from Germany. It is a universal fit for all the cars that take D2S 85122 and D2R 85126. Just plug it onto the back of the bulb and connect the negative and positive wire to your factory harness. Retails for $650. This is a non-refundable item, so make sure you check your bulbs and ballast to see which one is not working. You can do this, by simply switching the bulbs or the ballast from one side of the car to the other. Or, take it to your local dealership and they test it for usually around $100. This ballast is usually used in BMW's, Audi, Mercedes Benz.
