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
Join Date: Apr 2012
Originally Posted by
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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