Evo HIDs color shift?
I know I should search, but what bulbs do Evo's use? Philips, Osram, Panasonic, other?
Here's what I was talking about earlier. This taken from hidplanet.com (you need an id to view posts there).
I've never found any spec sheets on the 85123 bulbs. From everything I ever read, they were mainly found on older BMWs and were still 4100K when new. It just seems that most 85123 bulbs tend to color shift quite drastically over time and begin to reach the 4800K-5000K color temp easier. This is why so many of the older BMWs have that grape colored light. This however doesn't mean that they are bright bulbs. It means that they have color shifted and now will have reduced light output.
The only 85123 bulbs I've ever seen are used. Philips no longer produces them and I did confirm this with Philips Automotive Lighting by calling them.
Just so everyone is clear on this, the 85122+ is NOT a 4800K or a 5000K bulb.
The 85122+ is a Xenon Light Plus bulb. It was designed in 2002 as a bulb that would resist color shift more than a standard 85122 bulb.
Here is the design sheet from Philips: http://www.autolamps-online.com/gasd...es/d2%20PH.JPG
The bulb that never really surfaced other than in Europe and Asia was the 85122CM. The CM stands for "Color Match"This was the actual bulb that you would want to find. It is infact rated as 4800K with a slight lag in lumens from a standard 85122.
Here is the CM bulb's design sheet: http://www.autolamps-online.com/gasd.../d2%20CMPH.JPG
A couple years ago, I got into a debate with someone on this very topic and I took the time to call Philips Automotive Lighting in the US and spoke with a technician. He confirmed all of this and then faxed me the 85122+ and 85122CM white papers right off their own internal server. All the specs match the above linked documents.
The bold part was what I was referring to.
Hope this helps,
Brent
Here's what I was talking about earlier. This taken from hidplanet.com (you need an id to view posts there).
I've never found any spec sheets on the 85123 bulbs. From everything I ever read, they were mainly found on older BMWs and were still 4100K when new. It just seems that most 85123 bulbs tend to color shift quite drastically over time and begin to reach the 4800K-5000K color temp easier. This is why so many of the older BMWs have that grape colored light. This however doesn't mean that they are bright bulbs. It means that they have color shifted and now will have reduced light output.
The only 85123 bulbs I've ever seen are used. Philips no longer produces them and I did confirm this with Philips Automotive Lighting by calling them.
Just so everyone is clear on this, the 85122+ is NOT a 4800K or a 5000K bulb.
The 85122+ is a Xenon Light Plus bulb. It was designed in 2002 as a bulb that would resist color shift more than a standard 85122 bulb.
Here is the design sheet from Philips: http://www.autolamps-online.com/gasd...es/d2%20PH.JPG
The bulb that never really surfaced other than in Europe and Asia was the 85122CM. The CM stands for "Color Match"This was the actual bulb that you would want to find. It is infact rated as 4800K with a slight lag in lumens from a standard 85122.
Here is the CM bulb's design sheet: http://www.autolamps-online.com/gasd.../d2%20CMPH.JPG
A couple years ago, I got into a debate with someone on this very topic and I took the time to call Philips Automotive Lighting in the US and spoke with a technician. He confirmed all of this and then faxed me the 85122+ and 85122CM white papers right off their own internal server. All the specs match the above linked documents.
The bold part was what I was referring to.
Hope this helps,
Brent
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