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E90 ULF to COMBOX
22-12-2017, 07:00 AM,
Post: #1
XZBMW  E90 ULF to COMBOX
Hello guys. There is a problem. I have E90 2006 with ULF and retrofited cic. Tried to retrofit COMBOX instead of ULF1, but after rewiring COMBOX does not respond. Tried to code it but no responce from ecu. Also combox does not apear in ISTA D. As combox does not work - music also does not work (no acoustic tones). As far as I know ULF wiring is same as ULF2(High) so in wiring there should not be any issues. What could be wrong?
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22-12-2017, 07:48 AM,
Post: #2
RE: E90 ULF to COMBOX
Wiring is not the same. For Combox it’s power : pin 1 for media Combox and or pin 2 if telematics. Ground pin 14. Then most should light up

Then mic is 12 and 25. Dont remrmber Aux wiring v
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22-12-2017, 08:00 AM,
Post: #3
RE: E90 ULF to COMBOX
I have used this wiring:
   
   
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22-12-2017, 10:23 AM,
Post: #4
RE: E90 ULF to COMBOX
Hello,
you have a PM
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