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E34 (1989 - 1995)

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Old 04-24-2005, 12:09 PM
mercury187 mercury187 is offline
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Location: Kirkland, WA
Join Date: Apr 2005
Posts: 1
Mein Auto: Old car just died
new stereo

Hey, my old car died so ive been looking at bmw's... I found a couple 94/95 540i's and a 93 740iL .
In my old car, I put in a really nice cd player and a couple subs.... on the bmw's i noticed they only have tape, can you have that taken out and have a cd player put in?

Actually, could you hook up 2 12"s to the stock stereo?

Last edited by mercury187; 04-24-2005 at 04:38 PM.
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Old 04-25-2005, 05:22 AM
EJ EJ is offline
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Location: PA
Join Date: Apr 2005
Posts: 17
Mein Auto: 01 525it & 11 128i
It is easy to install an aftermarket stereo in these cars. They are a regular DIN and fit in perfectly. If you are going to install subs your best bet will be to install a new head unit. Johntee540 has an awesome set up in his 94 540i. You can find him over on roadfly. I have heard his setup in his land cruiser and it is really nice.
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Old 03-04-2015, 06:15 PM
jackiesean jackiesean is offline
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Location: Colorado
Join Date: Mar 2015
Posts: 5
Mein Auto: 1995 525i
Yes, recently put in a Pioneer in my 95 525i. Easiest thing ever.

These cars actually have an integrated amplifier in the trunk. Though I'm not sure if it has the power to move your subs, it means that the wires already go back there. Perfect place to tap the signal if you add a new amp, so long as it has high-level inputs.
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Old 03-04-2015, 06:19 PM
jackiesean jackiesean is offline
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Location: Colorado
Join Date: Mar 2015
Posts: 5
Mein Auto: 1995 525i
Omg, new to the forum, didn't realize this is a 10 year-old thread. Sorry
And I have no idea how to delete my posts
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Old 03-05-2015, 09:19 AM
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TheEinstein TheEinstein is offline
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Location: Denver, CO
Join Date: Mar 2014
Posts: 2,254
Mein Auto: E34 540i
You have your nets dragging too low sir! haha

Best advice I have, your replacement head unit should have 2 pairs (front/rear, left/right) of RCA pre-amp outs. Sub outs as well if you wish to run RCA cables back. The factory amp in the trunk is expecting pre-amp input. So when you go to use a harness adapter (I hope you do use an adapter), you will need to put some simple RCA ends on the positive speaker leads. The neg's get tied together, as there is only a one or two IIRC grounds that head back. Been a while since doing mine. Works flawlessly for me for many years now. In response to any sub-woofer add-ons, I put a speaker to line level converter on the rear mid-bass speaker wires, and feed my sub amp off of it.
1995 E34 540ia
160,000 Miles
VIN# ...GF32404
Hellrot Red


My Basic Repair History (Edited 1/27/2015)

Ongoing comparison between two E34 540ia's

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