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E85 / E86 Z4 (2003-2008)
E85 Z4 Roadster, E86 Z4 Coupe, E85 Z4 M Roadster, and E86 Z4 M Coupe talk with our BMW gurus here.

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  #1  
Old 11-02-2016, 11:01 AM
gambo2166 gambo2166 is offline
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LED Headlight bulbs?

I have a 2006 Z4M is there a kit to replace HID bulbs with LED?
I have search but found nothing.
Thanks
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  #2  
Old 11-02-2016, 04:39 PM
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pungo pungo is offline
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Why?

Not sure if these will fit, but it would be nice to see someone try LEDs in a Z4 Bi-Xenon projector to see how they compare to the stock Xenon bulb.

There are several D2S LED bulbs available. Not sure if these would be comparable, but this place generally does not sell junk.
https://www.theretrofitsource.com/le...o-2stroke.html

Last edited by pungo; 11-02-2016 at 04:59 PM.
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  #3  
Old 11-02-2016, 04:47 PM
gambo2166 gambo2166 is offline
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Just that they look great in my wife's new car. Super white and they last for ever.
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Old 11-02-2016, 05:56 PM
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pungo pungo is offline
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Originally Posted by gambo2166 View Post
Just that they look great in my wife's new car. Super white and they last for ever.
What kind of car does she have? Totally different tech for the headlight assemblies between OEM LEDs vs OEM Xenon.

LEDs don't necessarily last forever. Aren't the Xenon bulbs in your car 10 years old and still working? Is that not long enough?
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  #5  
Old 11-04-2016, 07:25 AM
chickdr chickdr is offline
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Funny thread. Xenons are very long lasting compared to halogen and can be just as white. One option would be to change the Xenons for a different color. That way you have the correct bulbs for the housing.
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Old 11-04-2016, 09:26 AM
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dc_wright dc_wright is offline
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Mein Auto: '06 Z4 3.0si, '11 128CiC
In the hierarchy of brightness (not color temperature) from dimmest to brightest it's

Halogen

Aftermarket LED

OEM LED

HID

Even the aftermarket LED are a significant upgrade in brightness from the halogen.
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Old 11-04-2016, 01:12 PM
gambo2166 gambo2166 is offline
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Thanks everyone. I will stay with my HIDs. One more question any nice after market halos for our cars?
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  #8  
Old 11-04-2016, 03:51 PM
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Originally Posted by gambo2166 View Post
Thanks everyone. I will stay with my HIDs. One more question any nice after market halos for our cars?
I experimented with a few different drop in high power LED bulbs to replace the OEM ones and they were brighter, but not by a huge amount. The bulb output has to bounce off a reflector and go through a blue translucent filter before it gets to the AE ring. It's a really bad design. The Z4 headlights are screwed as far as the AE are concerned. I don't know how they can pass as DRLs since you can barely see them in the daytime.

I have small supply of LED halo rings left that I can retrofit inside stock Xenon facelift headlights. The headlight assemblies need to be shipped for the retrofit work since it's not plug-n-play as it requires some custom machining and special tools. They are dual Halos and are pretty bright.

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  #9  
Old 11-04-2016, 04:29 PM
gambo2166 gambo2166 is offline
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Wow that looks great! How much and how long does it take?
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Old 11-04-2016, 05:36 PM
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Wow that looks great! How much and how long does it take?
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