The second generation Audi S4 made its debut in 1997. Audi S4 provides affordable and reliable parts for car buyers. The HID bulb ballast is vital for the headlight system. Its primary function is to manage the intensity of the car's headlight. Audi S4's faulty HID bulb ballast can lead to uncommon burn marks as well as the lights flickering.
Whereas, Audi S4's worn HID bulb ballast parts need to be repaired or replaced for better performance. Audi S4 HID bulb ballast has the task of providing the headlight with a higher voltage for a quicker start-up and brighter light without causing any damage to the chagrin system. Please note that if you are adding HID bulbs to your vehicle, you must also run a ballast so you prevent any damage to the charging system or vehicle wiring. There are lots of great Audi S4 HID bulb ballast on our online site. From the body parts to the performance parts, a long catalog of advanced products is given here.