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      11-22-2021, 03:31 PM   #13
ptpending
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Quote:
Originally Posted by Luper52 View Post
No I did not because I figured that if the fiber optic signal is reaching the combox then the concentrator must be fine.

Plus, Bluetooth should be connecting if the combox is working, no? Audio would be the only issue if it was the fiber optic cables at fault.
thats not correct
concentrator passes MOST wires both ways, because it is a RING
and so you can get signal from headunit to combox, but reverse signal can not reach headunit due weak contact in concentrator
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E81 2007 130i 6cylinder Montego blue
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