Amazon.com: OSRAM XENARC COOL BLUE INTENSE D2S, 150% more brightness, up to 6,200K, xenon headlight lamp, LED look, duo box (2 lamps) 66240CBN-HCB : Automotive
Osram Cool Blue Boost Xenon bulbs review - BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST
OSRAM Xenarc Cool Blue Boost D1S Xenon Car Headlight Bulbs Twin 7000K | eBay
Osram Cool Blue Boost Xenon bulbs review - BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST