BMW 3-Series (E90 E92) Forum - View Single Post - Ultimate Subwoofer Installation Guide (Instructions inside)

fdriller9 · 03-10-2010, 07:07 PM

^^Extra connector is for a CD changer. Not sure what system you have. Definitely not L7, my amp looks nothing like that. I think it's HiFi. Basic doesn't have an optical output from the HU, which is what is shown in your picture.

03-10-2010, 07:07 PM	#71
fdriller9 Banned 255 Rep 7,089 Posts Drives: '06 AW 330xi Join Date: Mar 2009 Location: North Jersey/Philly/NYC iTrader: (4) Garage List 2006 330xi [6.44]	^^Extra connector is for a CD changer. Not sure what system you have. Definitely not L7, my amp looks nothing like that. I think it's HiFi. Basic doesn't have an optical output from the HU, which is what is shown in your picture.
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