I recently installed a 6000K HID conversion kit to my 2003 A4 1.8T -- looks great and is MUCH brighter than the stock halogens. Anyways, I was reading up on HIDs and read that it is illegal to have them if they are not factory installed? Can anyone clarify this? I do not want to get pulled over for having them.

 

Technically, YES, the hids are illegal. However, in cars made after 2000, there were factory installed hid lights. Since you have a 2003 a4 and your lights are 6k (which should be pretty white with a low hint of blue- factory installed being 4.3k (white)) your not gunna get any trouble with it. Just make sure that the bulbs are aimed correctly at the road. I had 8k's in my last car for about a year and I didnt have any problems.

 

i got 2 months on my 8k hid , no problems so far , and i add a set on my bike too(r1). on car i aim the lights after installing , to make sure i don`t blind people. it`s easy to aim,if hid aftermarket is legall i don`t know, but for me is worth to have them , i see the signs better, is more safe to drive nights , plus if you run them in the daylight people see you better.

 

I installed after-market HID 5000K on my 3 BMW motorcycles over the past 4 years, and rode cross country several times. Never had an issue with LEOs in all the states, even when I got pulled over for going 92 in an 80 zone in West Texas.
All HID vendors have a disclaimer "For off-road use only" but you can read between the lines... they are just covering their ***.
HID will give you almost 3 times the amount of light you get from halogen. So... HID away and see the light!

 

if you get pulled over just tell the cop that they are stock! im sure they would have no clue