D1S. You will want to go with 4100-5000k for OEM-like color or 6000k for a crisper white. 8000k+ is just blue for show and you get worse light output.
AW/Terra | ZSP | ZPP | ZCW | iDrive | CA
Mods: BC BR | OEM Blacklines | M-tech rear | custom dual exhaust | M3 steering wheel | BMW SSK | ZHP shift knob | BMW Performance rep spoiler
Varrstoen ES1 19x9.5+20 Front, 19x11+25 rear