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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Cosmetic and Lighting Modifications (exterior/interior) > Taillight LED bars



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      10-01-2016, 03:11 AM   #1
Reckless335
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Taillight LED bars

I have an 08 335 coupe (e92) and I'm having a problem with the LED bars in my taillights. I tried to research this, but I couldn't find much. I'm hoping someone here can help. When my car is off, but I lock or unlock the door, the LED bars/tubes work fine.



HOWEVER..... when the car is running and I'm driving around, the LED bars on the passenger side inside the trunk portion, don't work.



Does anyone know what could be causing this? My initial thought would be a loose connection, but why would it work flawlessly when the car's not on, and not work at all when the car is running?
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      10-04-2016, 03:03 PM   #2
Reckless335
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No replies yet? I'm wondering if this is a problem with my footwell module? It literally works perfect when locking and unlocking the car, but won't work at all if the car is started and running.
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'08 BSM E92 335i 6MT/MHD stg 2+/VRSF 7" FMIC/VRSF CP/HKS BOV/VRSF catless DPs/BMS DCI/muffler delete/BC Extreme lows/OEM style 167s/BMS high side OCC/Mishimoto low side OCC/etc
http://forum.e46fanatics.com/attachment.php?attachmentid=565365&stc=1&d=1405361  850
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      10-04-2016, 09:19 PM   #3
mweisdorfer
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Quote:
Originally Posted by Reckless335
No replies yet? I'm wondering if this is a problem with my footwell module? It literally works perfect when locking and unlocking the car, but won't work at all if the car is started and running.
Do you have any codes?

FRM module might need upgrading. That's possible.

Resistors on the led lights?
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      10-06-2016, 01:11 PM   #4
jauloz
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try recoding the FRM/ related parameter.
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