XBimmers | BMW X3 Forum - View Single Post - Anybody upgrade US Premium or STD speakers yet?

capnmorganxx · 11-07-2012, 12:44 PM

I have a '12 x3 m-sport with premium audio and added a 12 inch woofer/amp combo to the trunk. Used technic's harness to get the signal, then tapped off of a line on the right rear bundle for a turn on wire. Works perfect. Huge upgrade to the system.

11-07-2012, 12:44 PM	#7
capnmorganxx Enlisted Member 7 Rep 33 Posts Drives: E70 X5 50i Join Date: Aug 2012 Location: Carmel, IN iTrader: (0)	I have a '12 x3 m-sport with premium audio and added a 12 inch woofer/amp combo to the trunk. Used technic's harness to get the signal, then tapped off of a line on the right rear bundle for a turn on wire. Works perfect. Huge upgrade to the system.
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