OSRAM Xenarc Cool Blue Intense D1S, +150% more brightness, up to 6,200 K, Xenon headlight bulb, LED look, folding box (1 lamp), (66140CBN)
Amazon.com: OSRAM Xenarc Cool Blue Boost D1S Xenon Car Headlight Bulbs (Twin) 66140CBB-HCB : Automotive
Amazon.com: OSRAM COOL BLUE INTENSE H1, 100% more brightness, up to 5,000K, halogen headlight lamp, LED look, duo box (2 lamps) 64150CBN-HCB : Automotive
OSRAM Original D1S Xenarc Cool Blue Intense Xenon Set of 2x Bulbs 5000K 66140CBI 4008321401472 | eBay
Osram Cool Blue Intense Xenarc 66140CBI 35W P32d-2 Xenon D1S E1 Made IN Germany 4052899220720 | eBay
Osram D1S Cool Blue Intense vs. Cool Blue Boost comparison - BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST