[OzDriver]

Originally Posted by M_528i

no they are not the same.
In HK it is legal to have HID but OK to have Xenon.

here is the difference

High-intensity discharge lamp
http://en.wikipedia.org/wiki/High-in...discharge_lamp

Read the first article a little further and you will see it says -

"Types of HID lamp include:

Mercury-Vapour lamps,
Metal-Halide (MH) lamps,
Ceramic MH lamps,
Sodium-Vapour lamps,
Zenon short-arc lamps."

.