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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > BMW Coding > FRM Coding and Bixenon shutter



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      01-31-2025, 10:36 PM   #1
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Talking FRM Coding and Bixenon shutter

Hello,

I retrofitted a pair of bixenon headlights (H8+D1S bulbs only) and i coded everything in according to all the guides that I've found. Everything is working normally and i disabled the errors () except 1 thing, my high beams wont work.
My $522 is visible in ISTAP and Protool (both frm+Cas).

E90 LCI halogen -> LCI xenon

its also worth the mention that triggering the bixenon function in protool doesn't work, i don't hear the motor/flap working.
I have pin 5+6 from the headlight connectors joined together into the high beam wire, which i also spliced the pin 4 and 6 going into the frm into the bixenon shutter pin 41. I assume either not enough power or the pinouts that i found isnt accurate.

Im missing one option from ncsexpert and protool which is "PWM_ANST_FL_BIXENON". I have a LED NSW FRM2 c09 module. and heres the question: Do i need a new FRM to be able to properly code in ?


I'm planning to create a very detailed guide with the pinouts and everything once i figure everything out and its currently in the making.

Thanks for your help
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      02-02-2025, 07:46 AM   #2
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Ive seen E92 with FRMFA and as you know they are bi-xenon by default so I doubt that FRM2 wont have that option, if it is missing by change you can add it via editing the ncsdummy file
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