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#1 (permalink) Old 07-25-2004, 08:34 PM
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Hi!

I you got myself an BMW E39 with the "BMW reverse" casette/radio.
But there is no possibility to connect a cd shifter to it.
So i was wondering if there is anyone that knows where the signals is going in betwen the casette deck until the ampifier?

Im going to connect an MP3 player to it.
Is there anyone that has done this, and can also tell me some about it?


~Crazy Ivan~
~Norway~
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#2 (permalink) Old 07-25-2004, 08:55 PM
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You'd probably have less trouble just buying an MP3 capable head unit and replacing the tape deck.

<img src='http://img55.photobucket.com/albums/v168/zen_life/M3.jpg' border='0' alt='user posted image' />
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#3 (permalink) Old 07-26-2004, 12:36 AM
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Quote:
Originally posted by Skipjacks@Jul 25 2004, 08:35 PM
You'd probably have less trouble just buying an MP3 capable head unit and replacing the tape deck.
well.. thats what i was thinking about.
but where do i input the signal instead of the tape signal?
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#4 (permalink) Old 07-26-2004, 01:21 AM
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We may be discussing two different things...

I'm saying just put in a CD player that will play MP3's off a CD. If you do this it'll hook up real easy.

If you're saying you want to put an iPod or something similar in....I have no idea.

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#5 (permalink) Old 07-26-2004, 01:47 PM
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well.. if i want to put in an CD player, orginal, it cost like 1000 euro, og 1200 dollar.
that is to much, so then i need the wiring diagram for the reverse amlifier, to connect the mp3 player.

but i bought it today at the local BMW store, for 50 euro,, or 60-70 dollar.
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#6 (permalink) Old 07-26-2004, 01:53 PM
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Replacing the oem (reverse cassette deck) is a non option, as the e39 cars have a different audio set up.

You can link an Mp3 player to your existing radio in one of two ways.

1. Buy a cassette adaptor. This is a cassette tape with wire attached. The wire plugs into your Mp3 player's headphone jack, and the cassette into the cassette player.

2. Purchase an FM blaster. This is a wireless FM transmitter that will feed your radio a signal. These are more expensive and don't sound as good, but don't involve any wires like in solution 1.

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#7 (permalink) Old 07-26-2004, 02:24 PM
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well.. this casette is not so very nice,, and it maks a lot of noise i think.

and the sound quality of it is very bad!!!

i was thinking more of this.
press the car/engine, go to point 14 under stereos, then youll see what i mean, only with the Reverse player instead.
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#8 (permalink) Old 07-26-2004, 02:32 PM
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Interesting. Yeah, I guess that would work, but seems like a lot of work. If the installation isn't super clean (wiring, soldering, etc.) you will be left with more noise than the cheap cassette adaptor!

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#9 (permalink) Old 07-26-2004, 03:28 PM
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the instalation in itself wont make any noise, its impoissble.
so i think it will work.
ill just have to search on the schematic.
thanks for help anyway.
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#10 (permalink) Old 07-27-2004, 11:37 AM
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No, it most certainly can make noise. You are talking about yanking the factory input leads for the tape head, re-routing them through a line driver and then slapping an Mp3 player on the end. There is certainly a distinct possiblility of ground faults, and those faults being amplified once connected to a line driver. If you don't believe me, go right ahead you'll see.

If you notice in your link, the gentleman said he had to crank the gain of the AudioSource line driver all the way. That is because those leads were previously connected to the tape head output. I don't want to get into line level variations from component to component, but trust me, magnetic tape works much differently than standard rca line level or something of the like.

It will work, like I said (and your link illustrates), but like I also said, you must be careful, as that work may lead you to exhibit amplified ground fault noise...

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#11 (permalink) Old 07-28-2004, 02:34 AM
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well.. i dont see how it can be noise into that line?

ive done this alot of times before, and never heard any kind of noise!
ive never done this in a car, but i dont see the difference to a normal amplifier.
If the soldering is 100% good, and the line is cut from the casette deck, there should be no prob as i see it.
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