BMW 3-Series (E90 E92) Forum - View Single Post - Does anyone know how to install an aftermarket H/U with logic 7 system?

kazbek1 · 02-01-2020, 06:31 PM

I purchased this:

https://avinusa.com/most-fiber-optic...7-e88-e89.html

Works fine for me. You just plug the fiberoptic into the box, connect the 3 wires to the headunit wires, and then connect the 2 RCA outputs to the back of the headunit.

02-01-2020, 06:31 PM	#3
kazbek1 Second Lieutenant 72 Rep 256 Posts Drives: 2007 335i Join Date: Mar 2013 Location: Vero Beach, FL iTrader: (0)	I purchased this: https://avinusa.com/most-fiber-optic...7-e88-e89.html Works fine for me. You just plug the fiberoptic into the box, connect the 3 wires to the headunit wires, and then connect the 2 RCA outputs to the back of the headunit.
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