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Go Back   E46Fanatics > Tuning & Tech > Lighting Forum

Lighting Forum
Angel Eyes, DDEs, lighted rings, Clear Turn Signals, LEDs, Xenon, HID, or Bi-Xenon. If it lights up and you want to discuss it, post here!

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Old 08-11-2009, 03:10 PM   #1
RGT88
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Headlights not bright enough, don't shine far enough

2000 328i with xenons. What can I do to get not so much appearance, but performance out of the headlights. I ride in my friend's 2009 Subaru Legacy and his are perfect. Is it just a technology gap in innovation, or can I actually do something to address this issue?

Just like other threads have mentioned I'm not looking to see the side barn, but see farther and higher down the road.

Thanks

Last edited by RGT88; 08-11-2009 at 03:19 PM.
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Old 08-11-2009, 04:00 PM   #2
Tater49
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Same for me, would like to hear the answer as well.....
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Old 08-11-2009, 04:03 PM   #3
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are you running 4300K?
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Old 08-11-2009, 04:03 PM   #4
RGT88
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maybe replacing headlight lens and getting these may help
Piaa DS2 Super Cobalt Bulbs?
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Old 08-11-2009, 04:07 PM   #5
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I have GE 5200k bulbs and there is a difference but not that amazing.
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Old 08-11-2009, 04:11 PM   #6
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You could always try to upgrade to a 55w and that should help on light output as well. Just keep your temp under 6000K and it should work much better.
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Old 08-11-2009, 04:19 PM   #7
RGT88
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So which are best to go with prolumenens, phillips ultinons, or PIAA super cobalt?
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Old 08-15-2009, 12:32 AM   #8
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Quote:
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maybe replacing headlight lens and getting these may help
Piaa DS2 Super Cobalt Bulbs?
Ya, sure those are nearly $400 a pair. I will probablly upgrade my stock D2S to MTEC which can be found for about $130. They are the best quality IMO before making the jump to the $200 bulbs.

I don't think it is a bulb thing that will improve the performance. I also own a 2004 TSX and the D2S HID's are way stronger the the BMW. The BMW doesn't seem to have the same sharp cutoff so I am thinking it is the projector lens that is different.

Last edited by packrat555; 08-15-2009 at 12:41 AM.
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Old 08-16-2009, 08:49 PM   #9
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I ended up replacing the headlight lens and popped in the PIAA DS2 Super Cobalt Bulbs (part #19994), so far I really like the result, definitely shines much brighter and farther. Of course true indicator will be the visibility in adverse conditions such as heavy rain. We have some of that coming to MI next week, so I'll know soon!

Only adjustment I want to make is to lift up the driver's side headlight. I know it's supposed to reduce the blinding of oncoming traffic, but since I'm at at 6300k and the light emitted is blue, it is much easier on the eyes. I hope it'll be just as easy as it was on my 1992 Firebird back in 1999! lol I know there is a guide on this forum, not a lot of room for error.
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Old 08-16-2009, 10:17 PM   #10
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it's a technology gap thing. Go drive a car with halogens for a while and go back to your car. Things will look a lot better.
Remember that in 2000, HID headlights were cutting-edge. 8 years is a lot of time to improve tech. Now, they're standard on a lot of cars that are way cheaper than your's was new.
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Old 08-17-2009, 11:17 AM   #11
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Getting aftermarket ballasts and bulbs will not help.

4300K is most light output, as you increase color temperature, you'll lose output.

The projector technology has increased over the years. Everything from projector itself, to spacing of the bulb, etc. etc. Projectors are very scientific! You could try swapping in the innards of a 2002+ plus car?
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Old 08-17-2009, 04:44 PM   #12
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There is a thread somewhere on here or bf.c about the projector/lens getting burnt up and discolored, drastically reducing light output on OEM HIDs. I don't think you can tell until you take them apart.
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Old 08-17-2009, 05:40 PM   #13
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There is a thread somewhere on here or bf.c about the projector/lens getting burnt up and discolored, drastically reducing light output on OEM HIDs. I don't think you can tell until you take them apart.
along the same lines.. don't the HID bulbs lose performance with usage? It's not as bad as halogen, but the filaments still "wear" out?
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Old 08-18-2009, 04:55 PM   #14
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Oh it is absolutely the technology gap, but I wanted to maximize results with what I have. I've driven a number of cars with current HID technology and of course the difference is huge, and it's not just down to the bulbs. My logic was to do something since I do a lot of highway driving you can imagine how unpleasant it is to be going 65+ and not having a full view of the road, or the markers.
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