PHILIPS OEM D3S 4300K vs. OSRAM Cool Blue Boost up to 7000K (66340CBB) & DIY Guide for Audi B8 A4 - YouTube
Amazon.com: OSRAM XENARC COOL BLUE INTENSE D1S, 150% more brightness, up to 6,200K, xenon headlight lamp, LED look, duo box (2 lamps), 66140CBN-HCB : Automotive