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Discussion Starter #1 (Edited)
Okay heres my plan, ive never attempted keeping the stock HU before so please correct me if i am wrong.


okay so.

I am adding a mono 1000watt amp to power my subs. now. is it possible to, instead of cutting all the wires and discarding the stock amp, use the stock amp(for the speakers) and the mono amp for the subs?

my plan is this:

only cut out the wires for the rear speakers,
use something like this to connect to those wires to the RCA's coming from the amp:
http://cgi.ebay.com/ebaymotors/ws/e...15&item=320069938534&refwidgettype=osi_widget

i have 4ga wire run to the battery/gnd

i dont tihink i am leaving anything out..

(i am using this as a guide: http://forum.e46fanatics.com/showthread.php?t=245914)
 

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Okay heres my plan, ive never attempted keeping the stock HU before so please correct me if i am wrong.


okay so.

I am adding a mono 1000watt amp to power my subs. now. is it possible to, instead of cutting all the wires and discarding the stock amp, use the stock amp(for the speakers) and the mono amp for the subs?

my plan is this:

only cut out the wires for the rear speakers,
use something like this to connect to those wires to the RCA's coming from the amp:
http://cgi.ebay.com/ebaymotors/ws/e...15&item=320069938534&refwidgettype=osi_widget

i have 4ga wire run to the battery/gnd

i dont tihink i am leaving anything out..

(i am using this as a guide: http://forum.e46fanatics.com/showthread.php?t=245914)
Yes, all you need is a line output converter. You don't have to cut your rear speaker wires off, you can simply tap into those wires, while leaving them connected. I would use the LOC on the input side of the factory amp, so that you have a full-range signal, in case later you deice to change amps, etc.

I'm not so sure about the quality of the one you linked from ebay, but there are many high quality LOC's available. We have one listed here on our website:

http://www.bavariansoundwerks.com/product.php/II=480/_cid=285
 

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Discussion Starter #3
Yes, all you need is a line output converter. You don't have to cut your rear speaker wires off, you can simply tap into those wires, while leaving them connected. I would use the LOC on the input side of the factory amp, so that you have a full-range signal, in case later you deice to change amps, etc.

I'm not so sure about the quality of the one you linked from ebay, but there are many high quality LOC's available. We have one listed here on our website:

http://www.bavariansoundwerks.com/product.php/II=480/_cid=285
thank you very much, i was just using that LOC as an example, the link you gave looks to be good at a fair price, I will most likely pick it up.

now as far as tapping into the wires, how would you recomend going about that?
 

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Yup, that will work great. I have a similar setup in my car right now. As Ken said, you definitely want to tap the line BEFORE the stock amp.. otherwise your subs will not sound good.

Everything you ever wanted to know about upgrading with the stock HU...
http://bimmer.roadfly.com/bmw/forums/audio/forum.php?postid=1433274&page=2

At the end of his post is a wiring pinout for the stock amp.

Also.. check out David Navone's stuff.. It supposed to be really good. Price is right too.
http://www.davidnavone.com/adaptor_products.htm

Good luck:thumbsup:
 
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