D4S: Osram 66440 CBI Led Lights OEM Standard: Philips 85122 :

OEM Standard: Philips 85122 : The industry standard by which all other D2S bulbs are measured

Industry standard AMP inputs are compatible with 99% of HID ballasts out there

Brightness: Lumens: BUYER BEWARE

Go for a comparable Bi-xenon setup and you'll need to buy big money bulbs

Input: D2S (P32-D)

D4S: Osram 66440 CBI Led Lights OEM Standard: Philips 85122 :The Best: An instant success story, the Osram Cool Blue Intense "CBI" series of HID Lamps has easily out performed the competitors in all aspects. We're excited to announce that they are now available in a Mercury free version for vehicles with D4S Headlamps! Amazing: What makes them so amazing? Osram's Cool Blue Intense bulbs offer more lumens than the once industry standard Philips 85122+ 4300K bulb, but with a higher Kelvin rating of 5500K. Whereas