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      06-12-2018, 09:33 AM   #155
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So mine's a 2013. AHL2_Enable worked perfectly, beam changes when I speed up. But it's still not as bright as the EU version. At least that's how it feels.
Unless you have done the TRC comparison of the readouts?
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      06-12-2018, 03:42 PM   #156
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Quote:
Originally Posted by kioneo View Post
Mine is a US spec 2008. I tried the simple coding (AHL2_ENABLE if I recall correctly) and it also didn't work. The angle never changed. I have FRM2. My sense is there is more to it than just the simple enabling.
Like I have said before I am no coding expert. But I believe you need a FRM3 module for this to work properly.

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      06-14-2018, 10:54 AM   #157
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Okay, after investigating this some more, it seems that there is a difference in the lights between USA and EU, that's not just coding...

EU cars seem to come with http://www.realoem.com/bmw/enUS/part...&q=63112296303

US cars seem to come with http://www.realoem.com/bmw/enUS/part...&q=63112338064

The lowe powered version of the Xenons.

So while this coding gives you the moving headlights (which absolutely works!) it doesn't give you the increased brightness the EU lamps have.

Now I need to start saving for those EU lamps ... :|
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      06-14-2018, 07:28 PM   #158
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Quote:
Originally Posted by CSharpFan View Post
Okay, after investigating this some more, it seems that there is a difference in the lights between USA and EU, that's not just coding...

EU cars seem to come with http://www.realoem.com/bmw/enUS/part...&q=63112296303

US cars seem to come with http://www.realoem.com/bmw/enUS/part...&q=63112338064

The lowe powered version of the Xenons.

So while this coding gives you the moving headlights (which absolutely works!) it doesn't give you the increased brightness the EU lamps have.

Now I need to start saving for those EU lamps ... :|

IDK... you are talking about xenon bulbs here in your above link. Not the headlamp housing(s).

As far as I know... other than US car's having orange side reflectors... the EU and US headlamps are the same. It's just the coding that is different. ie: whether the side marker light stays on with the headlights(like on US lights) and that the US high beam output is reduced from what the EU lights put out.

There is also TWO EU xenon head lamps... AHL and non AHL. In the US we only got the AHL xenons.


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      11-14-2020, 09:08 AM   #159
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That's funny mine was already coded like that
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      05-20-2023, 10:21 AM   #160
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Just chiming in to say that this site is amazing. I just bought a 335d that had the AHL2 coding already performed by the previous owner. I was looking for more info on the normal operation as well as the proper base-aiming instructions (they're aimed a little too high) and found all that here in this thread.




There was lots of talk in here about the high beams actually being brighter (maybe overdriving the ballasts?) But no confirmation. In the years since this has been posted, has anyone done any LUX testing to confirm or deny this?
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