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      08-29-2023, 11:54 AM   #2
Clearancediver
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Drives: 2004 Z4
Join Date: Oct 2012
Location: Victoria, BC Canada

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I’m curious if you looked up which radio set up (there are 3 and the “premium” choice isn’t compatible with non oem radio’s) you have. If you have a 10. Speaker system (there are 2) only the hi-if version is compatible.

Edit: If you have the high end premium system…. It will appear that it’s functional, but you no longer have all 10 speakers functioning, as the amp is no longer receiving a signal (via k-bus… you can look up the technical details) required. There are numerous articles accessible via google search on this issue.
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