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Hi

been thinking to swap headlight from HID to LED for my 2015 Mazda 3, wondering the projector lens is the same for both type of bulb?
 

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I doubt the lens and reflectors inside a HID housing are designed for light source other than HID bulb? The focal length is different even if the same base.

Sent from my SM-G935W8 using Tapatalk
 

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I'd reconsider, as it's been discussed and "basically agreed upon" that the light output from HID systems, in terms of usable light, is greater than their LED counterparts. This is probably 100% of any situation where a factory-equipped HID headlight is replaced with an aftermarket LED solution, and still a high percentage when talking about OEM HID vs OEM LED.

The lady has a '14 Q50 W/factory LED, and my '16 hatchback W/OEM HID is significantly better in all respects.

A neighbor had a CX-5 W/factory LED, and my hatch is significantly better. I am very disappointed with he Infiniti's lights.

A buddy had a '10 BMW M3 w/factory HID, and his was actually about the same (less width but more reach) with FAR better cut off.

Same buddy now has a '16 S5 W/factory HID (they call it "plus"), and it's better than mine in both respects.

The lady's friend has a '16 MDX W/factory Jewel LED, and my hatch is better in both respects.

I'm sure that others may have different opinions, but HID is going to give you more usable light.

Is it the color that you're unhappy with? 4300K is where our OEM bulbs run, and it's supposedly the "best" color on the scale for usable light. That may be, but it does look "yellow" when compared to LED headlights, which are closer to a comparable HID temp of 6000K.

If you'd like to change color, that's quite simple, and you'll still have more reach than LED.

Sorry for the lengthy reply!
 

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I'd reconsider, as it's been discussed and "basically agreed upon" that the light output from HID systems, in terms of usable light, is greater than their LED counterparts. This is probably 100% of any situation where a factory-equipped HID headlight is replaced with an aftermarket LED solution, and still a high percentage when talking about OEM HID vs OEM LED.

The lady has a '14 Q50 W/factory LED, and my '16 hatchback W/OEM HID is significantly better in all respects.

A neighbor had a CX-5 W/factory LED, and my hatch is significantly better. I am very disappointed with he Infiniti's lights.

A buddy had a '10 BMW M3 w/factory HID, and his was actually about the same (less width but more reach) with FAR better cut off.

Same buddy now has a '16 S5 W/factory HID (they call it "plus"), and it's better than mine in both respects.

The lady's friend has a '16 MDX W/factory Jewel LED, and my hatch is better in both respects.

I'm sure that others may have different opinions, but HID is going to give you more usable light.

Is it the color that you're unhappy with? 4300K is where our OEM bulbs run, and it's supposedly the "best" color on the scale for usable light. That may be, but it does look "yellow" when compared to LED headlights, which are closer to a comparable HID temp of 6000K.

If you'd like to change color, that's quite simple, and you'll still have more reach than LED.

Sorry for the lengthy reply!
Our '16 328i with LED's is so much better than either our '13 X1 35i with HID's or my '16 Mazda3 with HID's that I can't see how the '17 Mazda3 with LED's isn't going to be quite obviously better than our HID's. I've run both HID and LED lighting for night time mountain biking and light output, heat management, battery life and sharp cutoff all favors LED. Given the choice, I'd never choose HID over LED.

But I'd also doubt that you can just retrofit the LED bulbs and ballast into our HID projectors. Most, if not all of the LED's I've seen don't use a projector but just mount straight ahead. Of course the shots I've seen of the '17 Mazda3 do appear to show that they're using what appears to be the same projector as our HID's, so stranger things have happened.
 

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My OEM 17 LED is brighter and more focused than my OEM 14 HID was.
 

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In my 2016 I have the xenon fusion D4S HID bulbs. I just purchased these 2 x D4S Genuine LUNEX XENON BULB 8000K compatible with XenEco 42402 Xenarc 66440 | eBay

Says:
• Brightness + 100% comparing to standard xenon bulbs
• Distance + 20% comparing to standard xenon bulbs
(are the xenon fusion standard, I don’t know)
Hope to find out in the next week.

If I do not see the improvement stated, may just try compatible LED’s. Have read they are better and that they are not, but I want more light, more throw, so will try and see what happens.
 

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Although i can't compare to other mazdas that has Halogen or HID my 2017 came with LED and i find them A LOT better in all respects compared to the aftermarket Plug&Play kit i had in my 2011 Hyundai.

They have better reach, better width and even the foglights, which are LED in my M3 as well, seem to give off better output
 
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