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      11-22-2021, 03:57 PM   #14
Luper52
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Drives: 2007 BMW 335i E90
Join Date: Sep 2019
Location: Birmingham, AL

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2007 BMW 335i  [10.00]
Quote:
Originally Posted by ptpending View Post
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
All connections behind the seat bolster are rock solid and connect very well. I have found this wiring for I guess another module? Although it's never been connected and has never been used even when the combox and Bluetooth audio worked smoothly.
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