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Discussion Starter · #1 ·
The audio volume so low in this car. I had no idea before I bought it.

From my understanding, it was the cheapest audio package that you could get in a 2011 335xi sport.

Anyone have a similar experience and try upgrading by only adding a crossover + sub + amp? From what I hear, it should the best upgrade for the money.

Anyone actually do this? What if I just want a louder ("normal" volume. every stock car i've ever owned has been louder than this) stereo? So I can consider the bass at a later time. Would a crossover and an amp do the job? At that point, the wirings been done though, might as well spend the 2, 3 hundred on a sub.

I literally can't even hear my music properly if I put the windows down on the parkway/freeway. :mad:
 

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if it's truly the base audio, my suggestion would be...

PM Technic for the Stereo 2/4 harness.
It just taps the base audio's signal from under the seats with OEM connections and lets you run it the length back to your trunk. From there, I personally think the Helix Match PP82DSP is an awesome amp. Takes the raw stock signals, processes it however you like, then amps and sends the signal back out to whatever speakers you choose.

If you want to stick to stock speaker locations, I'd say get something like Jehnert's Flatline kit.
I personally went crazy and got the Jehnert door board setup, however that forces you to cut up your front doors to fit extra speakers. (I figure it's not a popular choice)
There's plenty of other options for stock speaker upgrades. Focal now makes a set. There's a few others that I can't recall offhand right now...

I haven't heard them myself, but the Jehnert XE200 8" woofer is supposedly THE reference underseat midbass woofer. Don't think I've ever seen or heard a negative comment about them. Most likely, if you amp them up well, you might never want a subwoofer. (maybe) That XE200 8" woofer is included with the Jehnert flatline kit. I have the tweeters and 4" mid from that set in my car, and I think they're great.

For the Helix Match PP82DSP and any of the Jehnert products, I would suggest sending a PM to Don (6spdcoupe) and get in touch with him... I believe he might be the only US dealer for Jehert. He might even be local to you as he is based in NJ as well (Unexpected Creations). If so, he should be able to make the right harness for you without needing to PM Technic.

edit:
Otherwise, a lot of people went the route of installing a JL Cleansweep to flatten the audio signal out of the base audio's head unit. (It's horribly processed, so you want to flatten the EQ in it) and running a JL XD600/6 amplifier with their own choice of speakers. Some have also added the JBL MS-8 for signal processing to tune the audio.
I chose the Helix Match PP82DSP because it basically wraps the function of all 3 of those in one unit. It flattened my signal, amps (only 50watts rms but 8 channels), and processes my sound as well for time alignment, EQ and whatnot.
 

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Yes there are a lot people who do it.

Yes there are a lot people who do it.
And there is a excellent e90 only stereo board here.

http://www.e90post.com/forums/forumdisplay.php?f=27

and sticky that tells you how to do it here

http://www.e90post.com/forums/showthread.php?t=641323

There are many threads on what people did and support for it
at the above board.
If you want specific examples
(not all of the examples that follow are base system upgrades some
are for the other two common ones.)

Best System examples
http://www.e90post.com/forums/showthread.php?t=833581&highlight=level+3
http://www.e90post.com/forums/showthread.php?t=445266
http://www.e90post.com/forums/showthread.php?t=822366
http://www.e90post.com/forums/showthread.php?t=826683
http://www.1addicts.com/forums/showthread.php?t=634957
http://www.e90post.com/forums/showthread.php?p=16679904&posted=1#post16679904
http://www.e90post.com/forums/showthread.php?t=394375&highlight=processor
http://www.e90post.com/forums/showthread.php?t=727760
http://www.e90post.com/forums/showthread.php?t=567325&highlight=level
http://www.e90post.com/forums/showthread.php?t=590420
http://www.e90post.com/forums/showthread.php?t=581379
http://www.e90post.com/forums/showthread.php?t=451941
http://www.e90post.com/forums/showthread.php?t=540954
http://www.e90post.com/forums/showthread.php?t=324214
http://www.e90post.com/forums/showthread.php?t=495855
http://www.e90post.com/forums/showthread.php?t=479258&highlight=technic
http://www.e90post.com/forums/showthread.php?t=545186&highlight=Dotech
http://www.e90post.com/forums/showthread.php?t=453427&highlight=BSW
http://www.diymobileaudio.com/forum...mw-335d-install-mosconi-gladen-morel-jbl.html
http://www.e90post.com/forums/showthread.php?t=494299
http://www.bimmerfest.com/forums/showthread.php?t=550771
http://www.m3post.com/forums/showthread.php?t=540446
http://www.e90post.com/forums/showthread.php?t=532585
http://www.e90post.com/forums/showthread.php?t=157820&highlight=amp+upgrade
http://www.bilstereoforum.se/showthread.php?t=2356
http://www.e90post.com/forums/showthread.php?t=833581
http://www.m3post.com/forums/showthread.php?t=443043
http://www.diymobileaudio.com/forum...-e93-m3-install-don-unexpected-creations.html
http://www.e90post.com/forums/showthread.php?p=16679904&posted=1#post16679904

First thing is you need to identify the system there were two non pay for it systems in
2011 the base or stereo system that had no amp and no tweeters and the HiFi which does have and amp and
tweeters. It you have tweeters in the doors you at the front of the window you have HiFi if you don't
you have the base stereo .

This is one of the most recent base system upgrade examples
its very well documented tells you exactly what you have to do but
there are variations on this

http://www.e90post.com/forums/showthread.php?t=1038989

If you happen to have the Hi Fi system things are not as hard because wiring
and compensating for the eq are not necessary.
I would do the sub last I don't know your tastes but you may not need it
you can get pretty good bass with upgraded amped underseats.

BMW stereo types
http://www.e90post.com/forums/showthread.php?t=352586
http://www.e90post.com/forums/attachment.php?attachmentid=350502&d=1266451970
http://www.e90post.com/forums/attachment.php?attachmentid=334282&d=1260829447
http://www.e90post.com/forums/showthread.php?t=343673
http://www.e90post.com/forums/showthread.php?t=138949
http://www.e90post.com/forums/attachment.php?attachmentid=151088&stc=1&d=1209780605
http://www.e90post.com/forums/showthread.php?t=641323
http://bmwcoders.com/forum/3-er-8/bmw-e90-e91-e92-e93-291/
http://www.e90post.com/forums/attachment.php?attachmentid=151087&stc=1&d=1209780865
http://www.google.com/url?sa=t&rct=...dhOSc2JggwVqMGg&bvm=bv.60157871,d.cGU&cad=rja
http://www.musicarnw.com/page-2/
http://www.e90post.com/forums/attachment.php?attachmentid=406534&d=1278871872

If you are looking for high quality speakers Jehnerts and Morels are some of the best.
In a coupe the doors are extra thin so you need extra slim speakers.
 

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You might want to look into the Alpine upgrade for the base stereo.

I know this kit was available from the dealer for earlier models, but not sure about the later models.

It adds an amp for the speakers, mids for the front, and tweeters.
 

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Only problem with the alpine upgrade path for LCI models is that much of what used to be pre-wired is now gone. For all the extra effort, parts, plus harness involved, you'll likely get better bang for $$ spent with aftermarket harness/amp/speakers.
 

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Only problem with the alpine upgrade path for LCI models is that much of what used to be pre-wired is now gone. For all the extra effort, parts, plus harness involved, you'll likely get better bang for $$ spent with aftermarket harness/amp/speakers.
That's a good point. In that case, I agree. An aftermarket setup will be a much better, bang for you buck.
 

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...

Anyone have a similar experience and try upgrading by only adding a crossover + sub + amp? From what I hear, it should the best upgrade for the money.

...
One more thing to note regarding this...

Having experience in the past doing this with other cars, and finally deciding to do it right with this one, I'm just going to say that simply adding a sub+amp is usually the dumbest thing possible to do.

A real subwoofer should only be playing from 80hz down to below 30hz.
The full range of sound should be from 20,000hz - 30hz. So if volume is what you want (hopefully clarity too?), why would you only want to play such a narrow range of music (80-30hz) at volume and still leave everything else barely audible?

Do yourselves a favor and get a decent component set. Get a proper midbass driver like the Jehnert XE200 for the underseats, and I'd be surprised if it didn't make you think twice about getting a subwoofer at all.
 

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Discussion Starter · #8 ·
if it's truly the base audio, my suggestion would be...

PM Technic for the Stereo 2/4 harness.
It just taps the base audio's signal from under the seats with OEM connections and lets you run it the length back to your trunk. From there, I personally think the Helix Match PP82DSP is an awesome amp. Takes the raw stock signals, processes it however you like, then amps and sends the signal back out to whatever speakers you choose.

If you want to stick to stock speaker locations, I'd say get something like Jehnert's Flatline kit.
I personally went crazy and got the Jehnert door board setup, however that forces you to cut up your front doors to fit extra speakers. (I figure it's not a popular choice)
There's plenty of other options for stock speaker upgrades. Focal now makes a set. There's a few others that I can't recall offhand right now...

I haven't heard them myself, but the Jehnert XE200 8" woofer is supposedly THE reference underseat midbass woofer. Don't think I've ever seen or heard a negative comment about them. Most likely, if you amp them up well, you might never want a subwoofer. (maybe) That XE200 8" woofer is included with the Jehnert flatline kit. I have the tweeters and 4" mid from that set in my car, and I think they're great.

For the Helix Match PP82DSP and any of the Jehnert products, I would suggest sending a PM to Don (6spdcoupe) and get in touch with him... I believe he might be the only US dealer for Jehert. He might even be local to you as he is based in NJ as well (Unexpected Creations). If so, he should be able to make the right harness for you without needing to PM Technic.

edit:
Otherwise, a lot of people went the route of installing a JL Cleansweep to flatten the audio signal out of the base audio's head unit. (It's horribly processed, so you want to flatten the EQ in it) and running a JL XD600/6 amplifier with their own choice of speakers. Some have also added the JBL MS-8 for signal processing to tune the audio.
I chose the Helix Match PP82DSP because it basically wraps the function of all 3 of those in one unit. It flattened my signal, amps (only 50watts rms but 8 channels), and processes my sound as well for time alignment, EQ and whatnot.
thank you EVERYONE. overwhelmed now so im going to hope a professional can help me out and just make an overall recommendation based on a few budgets. theres just too many questions. pretty sure my car doesnt even have hifi, so, sounds like its an expensive project if i wanted a proper stereo system.

contacted 6spdcoupe, hes pretty close to me, hopefully he can just make an overall recommendation. just gotta figure out how much im willing to spend.
 

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Discussion Starter · #9 ·
thanks again everyone. love this forum, everyones helpful as hell.
 

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You going to the right guy.

You going to the right guy.
There is only about three people or shops nation wide
that I know of that specialize in doing these cars and
doing them right and he is one of them.
 

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Yeah, I'm way out here in Western PA near Pittsburgh, so I've never even met the guy in person, but he's so damn helpful!

I can't imagine the luck you have in getting everything done right with him right there. He'll take really good care of you mat7688!
 

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Discussion Starter · #12 ·
exactly what i wanted to hear, thanks. i can go locally to get work done but id rather deal which someone who is vouched for.
 

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A quick question does technic do a harness to add an amp to tne base audio system on an e92 325 and is it as simple and a plug and play ISO I have tried everything else even LOC which was rubbish
 

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Yes he makes a Harness for that system

Yes he makes a Harness for that system.
Some routing is involved as there is no wiring to the trunk
with the base system. The only thing you might have to wire is aftermarket
door speakers.

I suspect of you are not aware of the bad factory eq that is your problem.

The basic upgrade is described in this document
Also the reason why you need a processor or recoding to Hi Fi.

http://www.e90post.com/forums/attachment.php?attachmentid=1094891&d=1411521234

There are variations depending on amp/processor and speaker combinations but the wiring is
basically the same.
If I was doing one now I would be looking at the Helix dsp82 or dsp 6 some Jehnerts or Gladens if
I wanted something that would blow away any of the stock systems and most aftermarket systems.
As mentioned above Unexpected Creations is the go to place for this stuff in the US.

However if you are in England
http://www.monsteraudiodesign.co.uk/
The Mosconi Gladen kit from the above guys
http://f30.bimmerpost.com/forums/showthread.php?t=1003810

http://www.e90post.com/forums/showthread.php?t=822366

http://www.monsteraudiodesign.co.uk...ne-line-bmw-201-extreme-gladen-one-120-4-dsp/
 

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For the record...
  1. The base audio was the 2010 Model Year basic stereo, and it is truly 'crap' from a sound quality perspective (frequency response, e.g. no tweeters in door), not merely an issue of amplifier wattage (how loud it comes out)
  2. In MY2011 BMW learned what not to do (offer the base stereo) and made the Hi-Fi stereo the basic stereo; it has tweeters in door, it has woofers under seat, it has an amp in the trunk.

How you go about upgrading will depend upon whether you truly have 'base' or 'hi-fi' to begin with. Look up your VIN and you will see...'HiFi Lautsprechersystem' is the Hi-Fi stereo.
 

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Base system is still common as no pay for it option in ROW

Base system is still common as no pay for it option in ROW(Rest of World)
As it was before 2010. This means Canada to.
 

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Discussion Starter · #17 ·
ah, no pay? that explains it. still didnt upgrade, nervous to do it myself but too poor not to at the moment. LOL. so far ive got the focal speakers, working on the rest. need to go over all of this info again. i tried to become comfortable enough to do it myself by going over many tutorials, but none are exactly like my setup (just focials, wire kit, and an amp) /car (base system , 2011 setup) - so im struggling to put together a good check list of everything i need before i go taking my door panel off.

so far i know i need the following, but even some of that im a little confused about. im hoping technic will tell me when i buy the harness and so forth:
OK I THINK i NEED:
SPEAKER ring + tools
tweeter sills
http://www.ecstuning.com/ES94366/
http://www.ecstuning.com/ES94367/
stormguard rubber foam weatherstrip
dynamat
speaker wire to RCA? m/f?
amp cable kit
oem speaker connector
door panel retainers in case of break
heatshrink?
crimp on wire terminals
glue gun for tweeters
 
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