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      02-05-2013, 12:40 PM   #8
ctuna
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Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

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The L7 amp gets its sound info from a fiberoptic link

The L7 amp gets its sound info from a fiberoptic link which is also one of the
devices on the MOST BUS.
No sound without that link and only a BMW Head unit provides it.
When you change the Head Unit there is no more link.

http://www.e90post.com/forums/attach...1&d=1209780605

Yes no sound.

And no other aftermarket manufacturer makes a head unit compatible with this type of fiber optic interface. (Well unless
they have just made one)

You could run the 4 amped channels off the head unit but it will
be a poor substitute for the l7 sound wise and it will need a harness to route the channels.

Last edited by ctuna; 02-05-2013 at 03:00 PM.
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