OSRAM 4300K OEM D4S vs. OSRAM 5000K CBI (Cool Blue Intense) D4S Bulbs (HCX MINI D2S Projectors used) - YouTube
Amazon.com: OSRAM XENARC NIGHT BREAKER LASER D4S, Next Generation, 220% more brightness, HID xenon bulb, 66440XNN-HCB, Duo Box (2 lamps), white : Automotive
Osram Hid D3s D1s D2s D4s Cba Xenon Super White Car Headlight High / Low Beam Original 6000k 12v Cool Blue Advance (2 Pcs) - Car Headlight Bulbs(xenon) - AliExpress