Has any use Bosch HID kit?? I'm using it right now, but the light seems not so white, it's like a bit of yellow white.but when i first turn on the colour was blue then change to blue-white...yellow white, how can i keep the first colour(blue-white), Also, if i use the Bosch kit, is it possible to change to other light bulb, i mean other brand...like piaa or something.

 

piaa only makes tinted rice bulbs. If you wanted rice blue, you could have saved a lot of $

 

that sounds exactly like my parent's X5. ill start it up in the driveway, turn on the lights, and there will be some nice blueish purpleish whiteish beams laying right on the garage door. give it time to warm up, and they turn yellow. pretty gay if you ask me!

peace

 

thats how HID's work... when the beam is first turned on, the arc inside the bulb ignites the gas in the bulb and creats a nice blueish color.. however after the bulb and gases start to warm up, they will turn into a whiteish color. I used to have philips HID bulbs in my GSR, now im looking for them for my Prelude SH, as I feel they are the best kit. ALSO, part of the reason why audi's and mercedes, and bmws, etc, all have a slight blue tint to the hid output, is due to the light housing, not the bulbs... It's just how the optics are designed.

 

Now i know why they are yellow, coz my HID only goes up to 4100k, i think the more k the more whiter u get.

 

I almost forgot to tell you guys about color temperature... K stands for Kelvin, which is a unit that is designated as color temperature of light. The higher the kelvin you go, the bluer the light, the lower you go, the reder the light. here is a site that might help you out: http://www.schorsch.com/kbase/glossa...mperature.html

If you know anything about digital photography, you'd know what white balance is about. I am a photographer so this is how i learned about color temperature. heres the basic run down of color temperatures, and there respective light sources:

1500 k Candlelight
2680 k 40 W incandescent lamp
3000 k 200 W incandescent lamp
3200 k Sunrise/sunset
3400 k Tungsten lamp
3400 k 1 hour from dusk/dawn
5000-4500 k Xenon lamp/light arc
5500 k Sunny daylight around noon
5500-5600 k Electronic photo flash
6500-7500 k Overcast sky
9000-12000 k Blue sky


so as you can see, anyone who tells you that the higer Kelvin rating the light has, the whiter it is, is telling you a lie, the higher you go, the bluer the light.

Hope this helps you, any other questions, feel free to ask me, Evanrichardson@hotmail.com