01-26-2016, 09:03 PM | #1 |
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M4 LED's vs 340 LED's
I saw an M4 on the road today while driving and the LED's on it seemed very bright and noticeable - both the angel eyes and the LED headlight. Does anyone know if they are brighter than those on the 340i? It could be the same but for some reason it looked much more noticeable.
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01-26-2016, 09:39 PM | #2 | |
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01-27-2016, 10:54 AM | #3 |
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It is possible the other car had lights that had been coded to be brighter.
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01-27-2016, 12:06 PM | #5 | |
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The reason being, in Europe, the 4's LEDs require washers whereas the 3's don't. The only reason for this would be that the 4's output more than 2000 Lumens which is the start of the legal requirement for washers. I'm waiting on confirmation of this from BMW. |
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01-27-2016, 03:11 PM | #6 |
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01-27-2016, 03:21 PM | #7 |
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Attached is a F30/F32 reference for coding changes. Head over to the Coding forum for information on how to get started.
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01-28-2016, 09:26 AM | #8 | ||
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01-28-2016, 12:38 PM | #9 |
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Angel eyes on the F30 LCI are dimmed to 46% intensity when the low beams are active. The coding mentioned in the Cheat Sheet you linked does not apply to the LCI LED headlights.
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01-28-2016, 01:54 PM | #10 | |
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01-28-2016, 02:31 PM | #11 | |
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To bring angel eyes to 100% intensity when the low beams are on, try changing the Werte values for POLI1_Idx, POLI2_Idx and POLI3_Idx in each FLE from 01, 01, 01, 07, 01, 01, 08, 01, 01, 01 to 01, 01, 01, 07, 01, 01, 06, 01, 01, 01 If you code one FLE at a time, it will be easy to see the difference. Note: The above is for US-spec cars with adaptive LEDs (SA552) only (I have not checked whether it applies to the non-adaptive LEDs). The coding is different for Euro-spec cars.
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01-28-2016, 02:33 PM | #12 | ||
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01-28-2016, 03:51 PM | #13 | |
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01-28-2016, 03:59 PM | #14 |
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01-28-2016, 04:03 PM | #15 | |
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The angel eyes are dimmed by default when the low beams are on even on pre-LCI cars (with Xenons or LEDs). This might be done to meet the strict ECE regulations regarding maximum low beam light intensity.
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01-28-2016, 04:55 PM | #16 | ||
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01-28-2016, 10:23 PM | #17 |
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On my xenon headlines, the angel eyes dim when the low beams are on too. When the low beams are off, the angel eyes are brighter. Seems to be the same with LED's, which is a design by intention I guess.
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