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Old 10-04-2004, 07:08 PM   #1 (permalink)
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I have heard that you have to do a 'rewire' on the audio system if you want to put a new deck into an E36 (I have a1992 325is). Is this true and if so what does it entail? I am putting a whole new system in (2 amps, sub, new speakers, and HU). Let me know if there is something special I need to do first or if I can simply install all the components.

My second question is since I am putting in new speakers, do I need to run new speaker wire from the trunk (where my new amp is going to be) to the new speakers, or should I just connect the amp up to the existing wires that run to the speakers and hook those wires up to the new speakers? I am putting in Orion XTR 6.2's and am going to be running ~50watts to them.

Thanks
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Old 10-04-2004, 07:56 PM   #2 (permalink)
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New deck no. you can keep using factory speakers..

new speakers then yes you need to run new speaker wires to all speakers from the deck or amp. This is because the way they have the factory amp configured. it sends the highs to the tweets the mids to the mids and so on. Most speakers have their own cross overs passive or active to deal with one signal.
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Old 10-04-2004, 08:28 PM   #3 (permalink)
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You wont have to run new wires, but you will need a crossover network
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Old 10-04-2004, 09:42 PM   #4 (permalink)
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With the crap gauge wires that are pre run a rewire still might not be a bad idea but pres is right you can get by with cross overs.
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Old 10-05-2004, 12:29 AM   #5 (permalink)
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Ok, and what exactly do you mean by a crossover network? Do you mean that I need to run wires through the crossovers and then through the existing speaker wires? Also, I am mainly worried about the existing speaker wire because I want to make sure it gives me the best quality sound. I don't want to put in a whole new system and skimp on the wire only to find that thats where the quality loss will occur.
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Old 10-08-2004, 07:15 PM   #6 (permalink)
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You dont need to run new wires to the crossovers. Go in back, hook your crossovers to your front/rear outputs, then find which wires are running to the speakers. Its easy, I did it and it sounds fine. In fact, it sounds glorious.
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Old 10-08-2004, 10:11 PM   #7 (permalink)
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Right. On the channel output on your amp run it to the xover, and then just connect the factory wires there.
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Old 11-11-2004, 07:56 AM   #8 (permalink)
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If I can possibly hijack this thread on a similar topic re: my E36 ... I put in new HU and new rear coaxial 4" speakers (Blaupunkt Transparent series) in the back about 3 months ago (left the stock Nokia components speakers as-is in front). Now once we discovered the factory amp back there used , we decided to hook up the rears to the amp (guy said it should be fine because speakers had cross overs). I still am not real satisfied with the sound quality in back. I understand you shouldnt expect much from coaxial 4" but .....

Do I need to bypass the amp entirely and rewire for all? And no, I don't really want to buy a new amp (I am already out of my comfort zone of knowledge and considering I only put 4" in back you can guess I am not looking to blow out my Hood with tunes). I think I have made a mess by not replacing all the speakers at once ... this previous discussion on cross overs has merely confused me.

Help much appreciated. (Sorry Pres if you remember this topic from before).
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Old 11-11-2004, 03:35 PM   #9 (permalink)
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kill yourself. now.

Im actually a litle confused what you meant by hooking the 4s up to the amp.

They were already connected to it when you installed them the first time around. Even the nokias were amped.

Then again, you also have a pair of $35 speakers. That could be a cause as well. I've owned those myself, because my car had no sound when I got it and I needed something cheap fast. They sound great for the price. You can do much better though. Personally, i reccomend some nice infinity reference coax's up front if you dont want to break the bank and get components. Whichever you choose, replacing the front nokias and then turning the fader forward will increase the quality 10 fold.
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Old 11-11-2004, 07:29 PM   #10 (permalink)
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Trust me, i am so dam frustrated, I wish I could junk the whole system and start over. ghead No one here knows sh*t about upgrading Bimmer audio, only Toyotas and Hondas. So, you think i should leave the blaupunkts in back and replace the fronts? what about the amp - (i) pull it out and rewire all speakers directly from HU or (ii) continue to use to power all speakers. the ironic thing, I get better bass quality from the stocks in front than Blaupunkts.

And yes I know they were cheap speakers (and b/c they are imported, I got the pleasure of paying $60 instead of $35). Am having a hard time finding quality speakers in 4" size.
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Old 11-12-2004, 01:32 AM   #11 (permalink)
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Ah, I see. My stepbrothers uncle moved to manila for a year. Couldn't buy a thing easily.

The infinity reference coax up front should do fine on the stock amp.
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Old 11-12-2004, 10:36 AM   #12 (permalink)
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Quote:
Originally posted by paps@Nov 11 2004, 07:29 PM
Trust me, i am so dam frustrated, I wish I could junk the whole system and start over. ghead No one here knows sh*t about upgrading Bimmer audio, only Toyotas and Hondas. So, you think i should leave the blaupunkts in back and replace the fronts? what about the amp - (i) pull it out and rewire all speakers directly from HU or (ii) continue to use to power all speakers. the ironic thing, I get better bass quality from the stocks in front than Blaupunkts.

And yes I know they were cheap speakers (and b/c they are imported, I got the pleasure of paying $60 instead of $35). Am having a hard time finding quality speakers in 4" size.
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WHAT!!! Who are you to say that no one knows shit about upgrading the audio in a bimmer when you purchased $35 blaupunkts! Get a life! You probally aren't getting decent bass response from the 4" coaxials because they are underpowered and they are a damn 4" coax! You get what you pay for in speakers and amps!
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Old 11-12-2004, 10:38 AM   #13 (permalink)
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With regards to the first post, if you spent alot of cash on speakers and equipment you may want to spend the time and run new shielded bigger guage wires to the doors where the x-over is. But I prefer to do it right the first time and not dick with this kind of stuff. I have gotten burned too many times on audio stuff to try and get away with doing a half assed job on anything!
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Old 11-12-2004, 06:58 PM   #14 (permalink)
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WHAT!!! Who are you to say that no one knows shit about upgrading the audio in a bimmer when you purchased $35 blaupunkts! Get a life! You probally aren't getting decent bass response from the 4" coaxials because they are underpowered and they are a damn 4" coax! You get what you pay for in speakers and amps!
[snapback]229298[/snapback]
[/quote]

Easy there killer. Everything costs double here what it does in the US, and extremely limited selection. I have only been able to find 3 types of 4" speakers (Blaupunkt, JBL and Pioneer, all low end) so far here. So either I get Infinitys when I go home at Christmas, or I look into putting in 6x9s with custom boards.

And I already admitted my limited knowledge on this stuff... the reason why I read these boards as much as I can.
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