Thread: Notes on a 2012 E92 M3 HiFi Audio Upgrade with mixed OEM and Aftermarket Parts
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      04-26-2012, 06:00 PM   #70
Volktronic
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Drives: E93
Join Date: Apr 2012
Location: LA

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Quote:
Originally Posted by THE TECH View Post
MS-8 is needed as a LOC device for signal to the amps afaik.

I was under the impression with the correct harness, nothing like that was needed, the signal just goes right into the amp and out to the speakers.
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