BMW 3-Series (E90 E92) Forum - View Single Post - E90 HIFI Aftermarket Headunit Wiring Diagram

gte460z · 02-26-2013, 10:03 PM

The OEM Hifi amplifier will accept speaker level inputs. There should be no need to wire RCA plugs into the Metra adapter with the stock BMW Hifi audio package.

02-26-2013, 10:03 PM	#3
gte460z Private 10 Rep 91 Posts Drives: 2008 328xi Join Date: Feb 2013 Location: Boston, MA iTrader: (0)	The OEM Hifi amplifier will accept speaker level inputs. There should be no need to wire RCA plugs into the Metra adapter with the stock BMW Hifi audio package. __________________ Georgia Tech Graduate, BS in Electrical Engineering
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