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Halogen -> Bixenon upgrade

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Old 04-12-2023, 05:28 AM
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vg247
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I replaced my OEM bulbs with these: https://www.hidconcept.com/products/...ulbs-pack-of-2

Significantly brighter. Didn’t want to deal with LED’ or the Morimotos changing out the complete housing etc I have my 992 with PDLS* lights if driving somewhere that needs to light things up.
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Old 04-12-2023, 05:07 PM
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Originally Posted by Sporty
Why are you going thru all this - are your LEDs bulbs not enough?? I replaced my halogen bulbs with LED bulbs and they have been fantastic over the last two years, simple plug and play, inexpensive (less than 100$, all in for high, low, fogs and parking lights) no codes being thrown and are probably better illumination than the stock HIDs . What am I missing? See my posts from August 2021 in this thread.
The Leds are super good in terms of power etc but the beam pattern isn't very good, they project above the 'projector cut off line' if that makes sense?

Tried 2 sets of leds and both did the same so figured I'll swap to xenon units and that would do the job?

​​​Are you using typical led bulbs with the leds at 3 o clock and 9 o clock?
Old 04-12-2023, 05:09 PM
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Originally Posted by vg247
I replaced my OEM bulbs with these: https://www.hidconcept.com/products/...ulbs-pack-of-2

Significantly brighter. Didn’t want to deal with LED’ or the Morimotos changing out the complete housing etc I have my 992 with PDLS* lights if driving somewhere that needs to light things up.
They are xenon bulbs? Suppose they would work in an aftermarket xenon kit?
Old 04-12-2023, 07:00 PM
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Sporty
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forgot whether they are 3 or 6 o'clock. Do you see an issue with the projection in my photos?
Old 04-13-2023, 05:29 AM
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Originally Posted by Sporty
forgot whether they are 3 or 6 o'clock. Do you see an issue with the projection in my photos?
I think it's hard to tell? I took a picture of mine against some black foam so you can see what I mean...

The top section is not good...


Old 04-13-2023, 05:30 AM
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Originally Posted by Sporty
forgot whether they are 3 or 6 o'clock. Do you see an issue with the projection in my photos?
Infact looking at yours closely I think it's the same? Just much more feint on the photo?
Old 04-13-2023, 10:51 AM
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On the road mine project very well; 1000% better than my stock halogens were and they look much nicer as well. I am still amazed at how easy, inexpensive and the improvement it made. Apparently you are not satisficed with your current set up (hard to tell without seeing projection on the road or while driving) - so have at it and let us know.
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Old 04-13-2023, 04:46 PM
  #23  
seewong
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I used the wiring diagrams here to repin only one low beam wire to get the functionality pictured above. I don't have the headlight on hand at the moment, but looking at the diagram you would move A11 -> A2. Please confirm with a multimeter before doing this.

Wiring diagram: https://www.club911.net/divers/32tec...a997Wiring.pdf
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Old 04-14-2023, 05:09 PM
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Originally Posted by Sporty
On the road mine project very well; 1000% better than my stock halogens were and they look much nicer as well. I am still amazed at how easy, inexpensive and the improvement it made. Apparently you are not satisficed with your current set up (hard to tell without seeing projection on the road or while driving) - so have at it and let us know.
They project very well also, the problem is the beam pattern could blind on coming vehicles hence I'd rather fix that.

I just installed some philips ultinon pro led bulbs today to test, that's the 3rd set before I fully give up and do a retro fit.


Beam pattern on the road of the 2nd set before the philips, yet to test them at night.



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