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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions G20 US spec headlights compared - LED (base), Adaptive LED (ZCV) and Laser

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      01-03-2019, 01:11 PM   #1
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G20 US spec headlights compared - LED (base), Adaptive LED (ZCV) and Laser

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There will be 3 different headlights available for G20: LED (base), Adaptive LED (ZCV) and Laser.
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Last edited by JayPichardo; 01-03-2019 at 06:55 PM..
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      01-03-2019, 02:13 PM   #2
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Wow that base LED has got to be intentionally uglified
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      01-03-2019, 02:43 PM   #3
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What are the actual benefits of laser over adaptive LED for US market?
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      01-03-2019, 02:45 PM   #4
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Quote:
Originally Posted by alex2364 View Post
What are the actual benefits of laser over adaptive LED for US market?
They look cool
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      01-03-2019, 04:26 PM   #5
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Quote:
Originally Posted by praxis218 View Post
Wow that base LED has got to be intentionally uglified
Yes - they did it deliberately .
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      01-03-2019, 06:25 PM   #6
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I suspect that very few G20s will be ordered without ZCV (convenience package) So most of them will have the upgraded LED headlight.
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      01-03-2019, 07:30 PM   #7
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Quote:
Originally Posted by alex2364 View Post
What are the actual benefits of laser over adaptive LED for US market?
You can code it after
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      01-03-2019, 09:10 PM   #8
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Quote:
Originally Posted by alex2364 View Post
What are the actual benefits of laser over adaptive LED for US market?
For one thing a LASER can produce a different/broader spectrum of light (as compared to other technologies) that the human eye sees as making things more visible. People who try and take a simple measurement to compare brightness are completely missing this very important fact.
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      01-04-2019, 04:09 AM   #9
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Last I checked, the middle option (adaptive LED) did not have the BMW Selective Beam feature mention in the configurator, i.e. the high-beam is either on or off. It's been a while though.
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      01-04-2019, 05:31 AM   #10
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Quote:
Originally Posted by mbanck View Post
Last I checked, the middle option (adaptive LED) did not have the BMW Selective Beam feature mention in the configurator, i.e. the high-beam is either on or off. It's been a while though.
You are correct. Adaptive led lights do not have selective beam. They only get automatic height alignment, and adaptive horizontal alignment that's basically swivelling of the light in the corners. There is also a separate LED cornering light for low speed turns. (as seen on the illustration in the first post).
Also, if I remember correctly, there was a mention of adaptive beam width/length that changes depending on the speed. On low speed, beam should become wider and shorter, and for highway driving it becomes longer and narrower. (I'm not sure about this part. It might be from a different light setup)

Selective beam, and "shadowing" of oncoming traffic is reserved only for the top spec Led+Laser lights.

Last edited by Calamari; 01-07-2019 at 11:49 AM..
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      01-04-2019, 05:33 AM   #11
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Quote:
Originally Posted by NH_F36 View Post
There will be 3 different headlights available for G20: LED (base), Adaptive LED (ZCV) and Laser.
Thanks for the details.

Do we know what is the power output of each of these systems? Both in terms of electrical input power and luminous flux (lumens)?
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      01-04-2019, 04:19 PM   #12
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Quote:
Originally Posted by glennQNYC View Post
A LASER can produce a different/broader spectrum of light (as compared to other technologies) that the human eye sees as making things more visible. People who try and take a simple measurement to compare brightness are completely missing this very important fact.
Quote:
Originally Posted by Calamari View Post
Do we know what is the power output of each of these systems? Both in terms of electrical input power and luminous flux (lumens)?
Quoting myself to help you realize there's more to a light source's ability to help you see than lumens.
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      01-04-2019, 04:24 PM   #13
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Even the DRLs on the Adaptive lights don't look that good. The Laser light ones look great.
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      01-04-2019, 04:56 PM   #14
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Quote:
Originally Posted by glennQNYC View Post
Quoting myself to help you realize there's more to a light source's ability to help you see than lumens.
I am fully aware of all the different aspects that influence actual quality of light projected on the road. I am just curious about the actual numbers for these systems.
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      01-09-2019, 04:14 PM   #15
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Question: Looks like 5A4 is the "LED headlights with Cornering Lights". 5A4 is part of ZCV (Convenience) and ZMP (M Sport).

I'm assuming that if you do not have 5A4, you have the "default" non-adaptive LED's? If you have 5A4, you have the adaptive LED's?
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      01-09-2019, 05:17 PM   #16
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Quote:
Originally Posted by Pauleebe View Post
Question: Looks like 5A4 is the "LED headlights with Cornering Lights". 5A4 is part of ZCV (Convenience) and ZMP (M Sport).

I'm assuming that if you do not have 5A4, you have the "default" non-adaptive LED's? If you have 5A4, you have the adaptive LED's?

Correct
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      01-09-2019, 05:56 PM   #17
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Quote:
Originally Posted by NH_F36 View Post
Correct
You are everywhere on these forums

I could be interested in Laser, but not enough to fork out a few K for an entire package. Maybe next lease, seeing as adaptive LED (which I currently have and feel work fine) are "free" with M Sport.
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      01-09-2019, 06:23 PM   #18
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Quote:
Originally Posted by Pauleebe View Post
You are everywhere on these forums

I could be interested in Laser, but not enough to fork out a few K for an entire package. Maybe next lease, seeing as adaptive LED (which I currently have and feel work fine) are "free" with M Sport.
I plan on getting them when the time comes to replace my X3 M40i with he M340i
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      01-09-2019, 06:36 PM   #19
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Quote:
Originally Posted by NH_F36 View Post
I plan on getting them when the time comes to replace my X3 M40i with he M340i
I'll need to see the real world comparison, especially since they say US version is less powerful than Euro.
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      01-09-2019, 09:04 PM   #20
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Quote:
Originally Posted by Pauleebe View Post
I'll need to see the real world comparison, especially since they say US version is less powerful than Euro.
Nothing that coding can't fix
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      01-10-2019, 07:09 AM   #21
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Would be great to see a comparison with them turned on, both from inside and outside of the car. I imagine they all look very similar from a short distance whilst turned off. Hard to justify any upgrade without this.
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      01-10-2019, 07:12 AM   #22
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laser can do a ton of things, its used in thousands of applications. the real question, is what did BMW do to make laser better than Led?

categories
what did they do
improvement from led
what is lost for not having laser
lifespan
reliability
cost

if its just " cause you can say you have laser", and no actual benefits, than meh.

again, people are looking for what is actually being sold, not what could be sold if bmw made that
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