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      02-04-2013, 11:22 PM   #6
ctuna
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Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

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As far as I know there are no aftermarket head units

As far as I know there are no aftermarket head units that are compatible with the L7 amp do to the fiberoptic connection in the BMW format. I tried to look up the Head Unit number(Bh140) and it doesn't come up . Most people use and MS-8
and some combination of amps and speakers as a substitute for the L7 amp most of the time.
You did say you were doing a double din install that means head unit to aftermarket head unit to me.
Basicly there is nothing that will convert analog signals to a BMW
fiberoptic signal that the L7 amp requires.
I think you mean this one AVIC-Z140BH yes?

BMW stereo types
http://www.e90post.com/forums/showthread.php?t=352586
http://www.e90post.com/forums/attach...2&d=1266451970
http://www.e90post.com/forums/attach...2&d=1260829447
http://www.e90post.com/forums/showthread.php?t=343673
http://www.e90post.com/forums/showthread.php?t=138949
http://www.e90post.com/forums/attach...2&d=1260829447
http://www.e90post.com/forums/attach...1&d=1209780605
http://www.e90post.com/forums/attach...1&d=1209780865
http://www.bawarec.ru/manuals/3er/e9...3er-e90-12.pdf
http://www.musicarnw.com/page-2/
http://www.e90post.com/forums/attach...4&d=1278871872

L7 is a hassle because you need a new 9 channel amp if you change the head unit. (Or something close like and ms-8)

Last edited by ctuna; 02-05-2013 at 03:11 AM.
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