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Bavarian Soundwerks' Mobile Electronics Forum
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Old 06-23-2003, 08:47 PM   #1
330LICIOUS
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Question how/where to splice into stock wiring, any pics available?

i'm trying to figure out where and how to find the speaker wire bundle from teh stock deck so i can splice that to my amp.

and do i have to take out the rear panel, if so, how? i can't seem to locate the screws/bolts/etc.

thanks!!
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Old 06-23-2003, 10:30 PM   #2
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In the trunk on the Driver's side. There's a wiring bundle going into the stock amp. You can find everything there.

Wiring Diagram



Picture borrowed from here: http://bimmer.roadfly.org/bmw/forums...1433274&page=2
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Old 06-24-2003, 01:32 AM   #3
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Quote:
Originally posted by SrCsTc
[B]In the trunk on the Driver's side. There's a wiring bundle going into the stock amp. You can find everything there.
SrCsTc I am therefor assuming that the factory amp is that black box.
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Old 06-24-2003, 01:34 AM   #4
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isnt' that the HK amp?
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Old 06-24-2003, 03:53 AM   #5
330LICIOUS
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thanks for the pic and link SrCsTc...

i have th HK system, and i thought the amp is underneath the rear deck panel?? what is that, the cd changer?
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Old 06-24-2003, 07:53 AM   #6
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Quote:
Originally posted by XcvX


SrCsTc I am therefor assuming that the factory amp is that black box.
Yes it is, and the HK amp looks the same.
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Old 06-24-2003, 07:53 AM   #7
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Quote:
Originally posted by 330LICIOUS
thanks for the pic and link SrCsTc...

i have th HK system, and i thought the amp is underneath the rear deck panel?? what is that, the cd changer?

I think that's the sub amp you're thinking of.
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Old 06-24-2003, 10:19 PM   #8
330LICIOUS
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oooh! ok thanks! i'm gonna try to figure out how to get into that left side trunk tomorrow.
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Old 06-25-2003, 11:38 AM   #9
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Hello,

Can the OEM amp be used with a non OEM amp. i.e., use the OEm amp to drive a small sub. Buy a 4 channel at 75 x4 at 4ohms to drive the front and rear speakers. Or does the OEM amp become a paper wieght?
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Old 06-25-2003, 12:03 PM   #10
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Quote:
Originally posted by daz
Or does the OEM amp become a paper wieght?

Yes.
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Old 06-26-2003, 10:55 PM   #11
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Originally posted by daz
Hello,

Can the OEM amp be used with a non OEM amp. i.e., use the OEm amp to drive a small sub. Buy a 4 channel at 75 x4 at 4ohms to drive the front and rear speakers. Or does the OEM amp become a paper wieght?
You can continue to use the stock amp and the new amp. However, the stock amp has limitations............all of it's speaker outputs are filtered at different frequencies. Also, the stock amp does not have enough power on the rear speaker outputs to adequately power an aftermarket sub. Remember that the rear deck speakers are 2 ohms each, so if you replace them with typical aftermarket woofers that are 4 ohms, you will need twice the amp's power on that channel to get the same volume.

I still use my stock amp, but only to power the stock 2.5" mid speakers in each of my doors for filler sound. Unless you can find better speakers with similar impedence values as the stock ones, the amp is a paper weight.
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Old 06-28-2003, 03:54 AM   #12
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rome5982,

i like the looks of ur subwoofer placement, the way u have the center backrest cut open showing the JL 12". i don't have the ski pass opening on my seat. if i cut a whole on the backseat, does that mess up the stability/strength/etc. of the seat?

how did u do it?
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Old 06-28-2003, 08:49 AM   #13
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Originally posted by 330LICIOUS
rome5982,

i like the looks of ur subwoofer placement, the way u have the center backrest cut open showing the JL 12". i don't have the ski pass opening on my seat. if i cut a whole on the backseat, does that mess up the stability/strength/etc. of the seat?

how did u do it?
No it does not mess with the structural integrity of the seat. I did not originally have the ski pass cut out, I did it myself. Here is a link about this for both sedans and coupes. http://forum.e46fanatics.com/showthr...threadid=33058
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