Quote:
Originally Posted by airmel
I have a 2012 Z4 35i with what I assume is "Hi-Fi" Sound. Would be very interested in hearing your progress in upgrading to Premium Sound.
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There are a few amps that will fit where the stock amp fits. There wire harnesses that plug into the factory harness from a few sources. I was planning to use the stock wiring to all the speakers. Haven't dug into what speakers will fit yet.
I've stalled on it for the moment as it was more worthwhile putting in a Quaife Diff first (for me).