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      04-21-2021, 10:00 AM   #13
ccfj1
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Drives: F25 X3 M-Sport
Join Date: Jan 2012
Location: Brighton, UK

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Front panel uses the lin_bus (9600k) from the HVAC control panel.

Its connected directly to the cic main board.

try a replacement if you have one and see if you have the same problem, if its the same then its either, HVAC or cic.
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2014 F25 X3 335d M-Sport:

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