HID Bulbs

D1S: Osram Xenarc 66140 CBI


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Product Details

The Best: Easily the best D1S bulbs to ever hit the market, we are honored to offer the ultimate Osram CBI Bulbs. Indeed they are the "Rolls Royce" of D1S Lamps.

Amazing: What makes them so amazing? Osram's Cool Blue Intense bulbs offer more lumens than the once industry-standard Philips lamp, but with a higher Kelvin rating of up to 6000K. Whereas most bulbs lose lumens when their Kelvin rises, the CBI's still manage to give users the benefit of brighter light combined with whiter light - the best of both worlds indeed!

Backed: Bottom line? Everybody who uses them agrees they're among the best D1S bulbs ever made. We've never heard a customer complain that their Osram's weren't worth the money, and most of the guys here at TRS use them in our own vehicles. No matter the preference, we have your Osram HID replacement bulbs!

Feedback: Don't just take our word for it, read the reviews on HIDplanet!

Genuine: The Retrofit Source is proud to offer these bulbs in their original retail packaging from Osram. We pride ourselves on being one of the last few distributors shipping genuine Philips & Osram lamps in the US. It is estimated that 80% of these bulbs sold through outlets such as eBay or Amazon are fakes.

Trusted: For more than a decade, we've worked hard to earn our killer reputation. Car guys world-wide know that TRS carries the internet's best selection of high performance automotive and powersport lighting products at the best prices, and we've got the best, most knowledgeable team of real enthusiasts to help back it up. If we sell it, then you bet we've put it to the test on our own cars, trucks, and bikes. Need a recommendation on parts for your project? Got a tech question? Wholesale inquiry? Contact Us

Product Specs

  • What's Included

  • BULBS: 2x D1S Osram Xenarc 66144/66140 CBI

  • WARRANTY: 2 Years

  • MISC: Alcohol pads (to clean bulbs before use)

  • Compatibility

  • HEADLIGHTS: D1S Only

  • OSRAM PART #: 66144 / 66142 / 66140 / 66146 / 66145 / 66147

  • PHILIPS PART #: 85402 / 85407 / 85410 / 85415

  • AUDI PART #: N10445701

  • BMW PART #: 63217162862 / 63217160807

  • MERCEDES PART #: 91013900000 / N 000000 004248

  • NOT SURE?: Find my size!

  • Tech Specs

  • BULB SIZE: D1S

  • BASE (TECHNICAL): PK32D-2

  • RATED LIFESPAN: 2500 Hours

  • WATTAGE: 35W and 55W

  • COLOR: Up to 6000K / Pure White

  • INTENSITY: 3400 lm (estimated)

In Action

Product Reviews

5 out of 5 stars

Excellent brightness and color quality

James Kellner Reviewed: 03.09.2017

Installed these in a 2012 Volkswagen Golf R.
(My install write up with pictures: http://forums.vwvortex.com/showthread.php?8418282-HID-bulb-turned-pink-HID-bulb-replacement)

First off, was concerned about the color quality of the higher color temperature. But they are a clean white light. Yes they have more blue component than stock, but not so much they look blue, they look white, a very close approximation of noon day sun on a cloudless day - very pleased. Once broken-in, they are a bit brighter than the stock Phillips bulbs that came with the car.
Highly recommended.


5 out of 5 stars

Clean white light, brighter than stock VW / Phillips HID bulb

James Kellner Reviewed: 01.14.2017

I was a little nervous about the higher Kelvin color rating, but they really are a very nice clean white. yes, they have a higher blue component than stock bulbs, but it results in a clean white light and does not appear blue at all. Color closes matches noon daylight on a cloudless day. They took about 8 hours or so to burn-in and reach their full brightness, but one they did -wow! Very pleased.


5 out of 5 stars

Awesome Bulbs!!!!!

Michael Reviewed: 05.02.2015

These bulbs are the best of the best. Very nice light output and they last. They are not the cheap garbage you buy from other places. If you want the true Osram or any other HID bulb buy from the Retrofit Source. They sell only the best bulbs on the market. Not knock offs, it's the real deal. These bulbs may not be the cheapest in price but you definitely get what you pay for. You will not be disappointed.


5 out of 5 stars

You get what you pay for!

Christopher Reviewed: 08.24.2014

If you want a cheap low output knockoff then these are not for you. Go to Ebay and Amazon. If you want brilliant white color and exceptional brightness then these Osram Xenarc CBI D1S are for you. Pricey? Not in my opinion. 100% percent satisfied with these 100% authentic bulbs from The Retrofit Source.


5 out of 5 stars

You get what you pay for!

Christopher Reviewed: 08.24.2014

If you want a cheap low output knockoff then these are not for you. Go to Ebay and Amazon. If you want brilliant white color and exceptional brightness then these Osram Xenarc CBI D1S are for you. Pricey? Not in my opinion. 100% percent satisfied with these 100% authentic bulbs from The Retrofit Source.