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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > F30 DIYs and Coding Discussions > SOLVED!!! HALO Brightness %100 with lowbeams F30LCI NON ADAPTIVE LED HEADLIGHT
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      05-20-2024, 04:36 PM   #133
myszano1
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Quote:
Originally Posted by Almaretto View Post
LHM/TMS & FLE ECU Light modules are a bit more complicated, but there is still some logic.

I do not have all details of your CAFD, but I believe this is correct:
  • 04 hex = 04 decimal
  • Then you go to LmmIdx04_Intensity = 64 hex = 100 (%) decimal
My F015's FLE's (CAFD_000024C3) are a little different, but hopefully this example further explains architecture:
  • DRL_Idx:
    • 01 01 0A 01 01 01 01 01 01 0B
      • 0A hex = 10 decimal
      • LmmIdx10_Intensity: 64 = 100% DRL
  • POLI1_Idx:
    • 01 01 0C 01 01 01 01 01 01 0B
    • 0C hex = 12 decimal
    • LmmIdx12_Intensity: 29 = 41% Angel Eye with low beam
So, to change brightness (ie intensity), you have two options:
  1. Change the werte in section 3004 (eg, POLI_IDx, POLI_IDx, POLI_IDx for low beam)
    • It can get a little confusing because larger hex can reference smaller numbers (eg, 0A --> 10 --> 100% vs 0C → 12 → 41%). You cannot simply change 04 to 64 because there are only 26 (ie LmmIdx##, where ## = 1-26)
  2. Change the corresponding werte in section 3005 (eg, LmmIdx##_Intensity)
Hi all

Anyone know how to change settings to reduce DRL to 50% , (not with low beam, high beam), only DRL
F31 uk model, 2015 lci, adaptive led headlights
Have FLE modules.
Thanks
Appreciate 0
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