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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 06-27-2012, 01:42 AM
JeremiahM JeremiahM is offline
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Location: Australia
 
Join Date: May 2012
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Mein Auto: 1997 528i
Post 528i Audio build log/Questions

hey all, I'm attempting to build an audio system for my 1997 528i,

So far parts:
- Alpine type X 12inchD4 + JL slash V2 1000/1 monoblock
- Alpine MRV 4x65wrms amplifier
- Set of Audioline 2way WC-650Z 200W speakers + tweeters
- Set of Cadence Xenith XS6K 350w speakers + tweeters

What I need:
- 2 gauge to splitter to 4 gauge to the amps then 8 gauge to the sub and 12 gauge to the speakers
- A capacitor (2 or 3 farad?)
- A headunit/equalizer

Things I'm not sure of :
- What should I do about a headunit? I was thinking either a single din in the top panel, a double din with a shroud around it, or a dynavin full replacement for the e39 (Wont have money for much other than the single din for awhile...)
- Or I could just run it all to an equalizer that is run off RCA converters from the stock headunit?
- I've been told by a few people that I should keep the stock speakers and run them through a decent aftermarket amp? Apparently its sounds decent, and I'm wondering if installing the aftermarket ones (considering there not great quality) is even worth it?
- If I get a single din, can i still use the steering controls?
- Also would 6x9's fit in the rear shelf?
- To fit 6x5's in the front door, will i have to make custom MDF baffles? I've got MDF but I'm trying to avoid it
- Also has anyone got the dimensions of the boot? Will help heaps with trying to design a sub box

Cheers
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Last edited by JeremiahM; 06-27-2012 at 01:44 AM.
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  #2  
Old 06-28-2012, 08:10 AM
JeremiahM JeremiahM is offline
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Location: Australia
 
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Mein Auto: 1997 528i
Bump bump?
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  #3  
Old 06-28-2012, 04:11 PM
DennisCooper!'s Avatar
DennisCooper! DennisCooper! is offline
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Hi,

ALL of your questions and ideas are extensively discussed in multiple threads over many BMW forums. I'd suggest you read up and familiarize yourself quite a bit more and 90% of all you've asked you can find good excellent ways forward for or, re evaluate what your are thinking to better or best practice.

For instance, you don't need a capacitor provided you choose better quality amplifiers as they'll have much better internal power supplies.

Only you can evaluate what you want to do for the head unit, what are you after? a features list as long as your arm? - go for the Dynavin (or other cheap Chinese replacement) or are you looking for much improved sound quality? in which case go for a premium brand single or double DIN unit. What's your budget? .. I wouldn't even think about 6x9's let alone wanting to put them on the rear shelf, how much DIY work are you willing to do? would you use a professional installer ?

Here's a link for you to get started;

http://forum.bmw5.co.uk/topic/64113-...upgrade-final/

Cheers, Dennis!
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Old 06-29-2012, 06:23 AM
JeremiahM JeremiahM is offline
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Location: Australia
 
Join Date: May 2012
Posts: 6
Mein Auto: 1997 528i
Quote:
Originally Posted by DennisCooper! View Post
Hi,

ALL of your questions and ideas are extensively discussed in multiple threads over many BMW forums. I'd suggest you read up and familiarize yourself quite a bit more and 90% of all you've asked you can find good excellent ways forward for or, re evaluate what your are thinking to better or best practice.

For instance, you don't need a capacitor provided you choose better quality amplifiers as they'll have much better internal power supplies.

Only you can evaluate what you want to do for the head unit, what are you after? a features list as long as your arm? - go for the Dynavin (or other cheap Chinese replacement) or are you looking for much improved sound quality? in which case go for a premium brand single or double DIN unit. What's your budget? .. I wouldn't even think about 6x9's let alone wanting to put them on the rear shelf, how much DIY work are you willing to do? would you use a professional installer ?

Here's a link for you to get started;

http://forum.bmw5.co.uk/topic/64113-...upgrade-final/

Cheers, Dennis!
Alright I'll have a check through older threads to have a look doing that skipped my mind at first, sorry for that

I'm willing to put in as much DIY work as needed, I'm quite able to do it, and it if not have mates who certainly are Basically after looks at this stage, from what I understand, as long as the headunit has a decent level of voltage out through the RCA cables, sound quality will be negligible with a decent amp, yeh from reading around I've given up completely on the 6x9 idea, I won't be using a professional installer, as there's no need, I've installed audio systems before (although never in a BMW, much simpler cars such as fords/holdens) so I'm hoping that experience will help me.

Thanks heaps for the link was really helpful

Cheers mate (:
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  #5  
Old 06-29-2012, 10:19 AM
DennisCooper!'s Avatar
DennisCooper! DennisCooper! is offline
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Hi

Without wishing to sound rude and I do like your enthusiasm, but you should research, learn and understand more prior to hacking things up and trying to install for the sake of things because you don't feel the need to use a pro installer.

Many premium brand quality head units do indeed have higher voltage outputs for a cleaner signal. However that no way means you should skimp on the amplifier choice. I will always recommend to use as best or quality amplifiers from a quality and respected brand. Depending on the type of audio level and quality you want will dictate what kind of amplifier(s) to get. I chose amplifiers from Arc Audio, and there's plenty of other high quality brands like them who use top quality components internally. I have zero issues with dimming as they use high quality internal power supplies, and overall being Class D amplifiers, they are very efficient and draw less current - this means I've not had to worry at all about upgrading batteries or using a 'capacitor' etc.

Spending money is easy but spending it wisely is a whole different matter. I'm trying to steer you into spending wisely !

Cheers, Dennis!
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  #6  
Old 06-30-2012, 05:58 AM
JeremiahM JeremiahM is offline
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Location: Australia
 
Join Date: May 2012
Posts: 6
Mein Auto: 1997 528i
Quote:
Originally Posted by DennisCooper! View Post
Hi

Without wishing to sound rude and I do like your enthusiasm, but you should research, learn and understand more prior to hacking things up and trying to install for the sake of things because you don't feel the need to use a pro installer.

Many premium brand quality head units do indeed have higher voltage outputs for a cleaner signal. However that no way means you should skimp on the amplifier choice. I will always recommend to use as best or quality amplifiers from a quality and respected brand. Depending on the type of audio level and quality you want will dictate what kind of amplifier(s) to get. I chose amplifiers from Arc Audio, and there's plenty of other high quality brands like them who use top quality components internally. I have zero issues with dimming as they use high quality internal power supplies, and overall being Class D amplifiers, they are very efficient and draw less current - this means I've not had to worry at all about upgrading batteries or using a 'capacitor' etc.

Spending money is easy but spending it wisely is a whole different matter. I'm trying to steer you into spending wisely !

Cheers, Dennis!
Yeh i'll make sure I know exactly what I want and how to do it, and take my time on it and do it well
Yeh i figured as much, I have an Alpine MRV at the moment which does 60wrms x4, I've got another amp I can use, I've got a 760watt pioneer (90rms x4 if i remember correctly) I'm not going for loud, I'm going for quality, the JL's power supply is high quality and gives me no issues of dimming, not sure what will happen when i add the pioneer or the alpine into the mix though (being lower grade amplifiers)

Thankyou very much for getting me to spend wisely, someone needs to make sure i do it

Thanks, Jeremiah
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