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Hi, I was wondering if its possible to upgrade the bi-xenon headlights bulb

and fog lights to something brighter? any recommendations??


I have seen some third party offer the Bi Xenon headlight replacement bulbs with higher temps.

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I changed bi xenon headligh bulb to 6000k.

It was easy DIY.

Here is the comparioson photo.


The right bulb is original,

and the left is 6000k third party bulb which is bluish.

Note this is not intend to modify brightness of the headlight,

but the higher temp bulb seems to be more bluish.

Edited by NewYorkBach
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I believe the bulb on 02+ headlights are different than 99-01 996's.. where can I buy higher temp bulbs?

You do understand, do you not, that higher temp (color) bulbs, above 4300-5000K, result in lower human forward vision...??

As do fog lights when used simultaneously with low beams, especially non-amber BRIGHT fog lights.

My fog light bulbs are the halogen AW, All-Weather, type and are NEVER on along with my low beams.

While quite possibly impressive and most certainly IRRITATING to oncoming drivers (most of whom you will NEVER be likely to meet and hear {or maybe "feel" in the case of irritation} their impressions) foglights along with low beams have the unique advantage of the raising the potential for putting you and you passengers at risk due to the reduction of forward vision at night.

If you must spend that money otherwise burning holes in your pockets then move the map lights to a point behind you, above your right shoulder, and change them to recessed bulb "projector" types so your passenger can read without the OEM BRIGHT map lighting interfering with YOUR forward vision.

Edited by wwest
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  • 4 weeks later...

Well, this is a coincidence. I just bought a pair of replacement bulbs for my xenon headlights on my '02 996 (DS2). As always, I researched whether it would make sense getting a different bulb. Apparently, the temperature only refers to the color of the light that is emitted from the bulb. In fact, one of my bulbs was starting to fail and turned pink.

Anyhow, 4,300 is apparently the closest temperature/light color to natural sunlight, which is what Porsche, BMW, Lexus, etc., recommends for their cars.

Here's another tip: the retail price from a Porsche dealer for one bulb is over $240. Sunset Porsche sells one bulb for around $120. I conducted a search on eBay and found a seller that sells new pairs of bulbs (that's 2 bulbs) for $75 shipped. Here's the link: http://stores.ebay.com/white-lite

Good luck.

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