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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > AUDIO/VIDEO + BLUETOOTH + Electronics/Alarm/Software > '07 E90 328xi head unit upgrade



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      09-17-2013, 09:11 PM   #1
coil222
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'07 E90 328xi head unit upgrade

Help please, trying to put a Double DIN headunit in my GF's 328xi. From I wired up the headunit and I get power but no sound. From what I can tell from the pics I took below the car seems to be the fiber optic system. Is there any adapter out there that will work or am I stuck having to run RCAs and an external amplifier?

The DDIN headunit is a Clarion NX501

Thanks!


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      09-17-2013, 09:18 PM   #2
taibanl
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      09-17-2013, 11:02 PM   #3
bmw325i
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If you have logic 7, there is no way to use the factory amp with an aftermarket headunit.

I originally had logic 7, and I have an Alpine INE S920HD on the way to replace my stock headunit. I already have a JL XD600/6 powering Morels in the doors and Jehnerts under the seats so its as simple as connecting the rca cable.

I have a JBL MS8 for sale if your interested you would also need technics harness and a pair of RCA cables.
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      09-18-2013, 10:52 AM   #4
ctuna
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You need to read these

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/showthread.php?t=641323
http://bmwcoders.com/forum/3-er-8/bm...1-e92-e93-291/
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

Especially this one

http://www.e90post.com/forums/showthread.php?t=641323

If you started out with L7 there is a AMP in the back that is interfaced to the
Head Unit by a single fiberoptic cable (well technically it has a feed and return) and its incompatible with anything but
a BMW Head Unit configured for L7 Top Hi Fi.

Also you should be aware of this.
head unit
http://www.e90post.com/forums/showth...hlight=dynavin
http://www.e90post.com/forums/showth...ight=head+unit
http://www.e90post.com/forums/showth...hlight=dynavin
http://www.e90post.com/forums/showth...hlight=dynavin
http://www.e90post.com/forums/showth...light=retrofit
http://www.e90post.com/forums/showth...hlight=dynavin

Do not throw away of discard your old head unit you may need it if the car ever needs repairs. The bmw diagnostic computer at the dealership must see the car in its original configuration to work . If you need to recode or replace modules you will need the original radio installed. You also may get error codes on the dash from the modules attached to the original radio that now will not function. Such as BMW Sos , pdc , bluetooth and cdc.

Last edited by ctuna; 09-18-2013 at 11:06 AM.
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