one of mine bulb died, money is a bit tight at the moment.
so i got these from Amazon.
Amazon.com: One Pair (2) D2C D2R D2S 6000K Xenon HID Diamond-White Bulbs 35W: Automotive
i followed the DIY, nice hint of blue (just a slight lost of visablity like 5% from OEM)
Its not much of a lost but if your budget is tight... got them for less than $10 bucks for 2bulbs is worth it. I've had them on for about 1.5 months now.
Just takes a while to get them lol. Only problem i had.