E92 LCI Base Audio Upgrade (on budget)

SOLEX18 · 09-30-2020, 09:07 PM

Hi All

I am new here, coming from an E46 which had a decent H/K system which I had no need to upgrade. Needless to say I am a straight up Noob when it comes to upgrading car audio, but I did my homework and did alot of reading right here and went through many threads/stickies.

This LCI E92 I just bought (unknowingly to me) comes with a base non-tweeter sound system. I am no audiophile, but I definitely want to upgrade this horrid system. The car does have a CIC Navigation system, and 6FL, so is it still safe to assume I do not have an amplifier?

I am on a budget (we are talking like $400-$500), so please bear with me. Here is what I wanted to do, and where I am stumped. Again I did read through the threads and saw some people's installs which I can only imagine cost thousands of dollars which I can't do. I just want the most basic upgrade that will make a difference in what I hear.

1st plan: I read TONS of people saying to install a JL Audio Cleansweep. Found one on ebay for about $150 but did not pull the trigger yet. Do I install just this cleansweep and will I have better sound with the base speakers? Do I need a harness or anything else to go with it? I did not see a specific install for a Cleansweep, is it the same as an amp install? I also did want to install tweeters, as I can get the BMW tweeters for cheap from another e9x. I was curious if the wires exist within the door, and if it is plug and play.

2nd plan was to replace speakers alone with something like Bavsound, or even something from MB Quart as they have speakers specific for this car as well that both claim to be plug and play. However My research showed that I MUST install an amp to get things "Kicking". Another option was to code my head unit into thinking it is the HiFi unit, is this a viable option for me so I do not have to install an amp?

3rd plan- Leave it as is, and live in agony (first world problems, I know!)

Thank you in advance for any assistance here!

ctuna · 09-30-2020, 10:15 PM

So I take it you have a 2010 to 2011.5 car which are the only ones
that go the base stereo in the US?
You need to find out for sure by using a Vin checker to list the options.

All the cleansweep does is flatten the output of the Head unit it is not
and amplifier and is obsolete now.

In order to get some quality you need to spend 1k to 2k with the middle of
that number being pretty much in the middle.

SOLEX18 · 09-30-2020, 10:17 PM

Quote:

Originally Posted by ctuna

So I take it you have a 2010 to 2011.5 car which are the only ones
that go the base stereo in the US?
You need to find out for sure by using a Vin checker to list the options.

Yes- 2011 335i coupe, with the base system. Going based on the lack of tweeters on the door.

Edit- Saw your edit. So at bare minimum is there anything I can get away with on my small budget? Speakers alone? I am not afraid to install myself, but I am hoping something cheap can help.

ctuna · 09-30-2020, 10:20 PM

SOLEX18 · 09-30-2020, 10:53 PM

Quote:

Originally Posted by ctuna

Thank you for the links, but some do not work and I did go through these in the past.

I basically looking to see if there is a more basic setup I could use to get an improved experience. I am not looking for perfection, but maybe something that is on par with the HiFi system, as my friend had it in his 328i (e92) and it was not terrible.

So now that Cleansweep is out of the picture, can I do a simple plug and play speaker upgrade with possibly coding the headunit to think it is a Hifi? I would also add the tweeters as I am pretty sure I read they are plug and play as the the speakers have the wiring already.

Also is there any evidence that 6FL would somehow give me an amp? I recall seeing something like that but I do not know where i read it, so please be kind with me on that dumb question!

ctuna · 10-01-2020, 02:05 AM

SOLEX18 · 10-01-2020, 07:31 AM

Quote:

Originally Posted by ctuna

Thanks- So upon reading some more of these, would you say these upgrades should net a good result?
1) 4 Channel Amp (Does it matter which one?)
2) Upgrade front speakers and add OEM Tweeters
3) Buy Harness from Technic
4) Anything else needed?

ctuna · 10-01-2020, 01:05 PM

Any amplification would be and improvement . The trouble with a just and amp
alone is you need away to flatten the eq curve at the high end . As a cheap way
out if you get component speakers for the doors and they come with a crossover
you can set the crossover to it's lowest setting.
The usual thing to do is use the 4 channels for the front door and floor speakers
one channel for each location after splitting the connection between the doors and
floors.

SOLEX18 · 10-01-2020, 10:51 PM

Quote:

Originally Posted by ctuna

Any amplification would be and improvement . The trouble with a just and amp
alone is you need away to flatten the eq curve at the high end . As a cheap way
out if you get component speakers for the doors and they come with a crossover
you can set the crossover to it's lowest setting.
The usual thing to do is use the 4 channels for the front door and floor speakers
one channel for each location after splitting the connection between the doors and
floors.

Ctuna- Just want to thank you for all of your help, and I mean it you are a legend.

I decided, for now I just want to do a minor speaker upgrade. If it goes well and I need more bass, I will replace the woofers under the seats (did not do that research yet)

I am just in no position to get into amp installation, I do not feel comfortable at all with my limited knowledge and budget. If I need an amp later, I will go ahead with it, but for now I think just upgrading the speakers will help me out.

So that being said, I found a couple of PNP speakers that have tweeters built in which leaves one less thing to buy! I have also had the idea to save a bit more and get front door speakers only. I have a coupe, back seat will never be used so I am hoping I can get away with just replacing the fronts.

I will do a bit more research over the weekend, and pull the trigger soon.

1) Bavsound Stage 1- 2 pc set is around $250
2) Match MS 4X-BMW.1 https://www.crutchfield.com/p_975MS4...-4X-BMW-1.html These are about $150
3) Focal IFBMW-C https://www.amazon.com/Focal-IFBMW-C.../dp/B00DI2LA0Q These are budget busters at $579, so really on the fence on these.

ctuna · 10-01-2020, 11:18 PM

Without an amp you will only get a placebo effect and the Head Unit
only power will have a hard time driving any decent after market speaker.
Sorry Physics is Physics.

Ali-E90 · 10-02-2020, 05:12 PM

If you don't want to amplify separately, another option could be to get one of those android decks made for our car (eonon, etc), which delivers more power than stock HU, and uses the factory harness to power the speakers, so it's all plug and play.

You're obv spending a few hundo on the eonon (or whatever brand), but that's also getting you a screen with a ton of features etc.

I wouldn't recommend this route for anyone more serious about their sound, but it's prob as good as you'll get without using a separate amp.

ctuna · 10-02-2020, 08:18 PM

If you have a Nav/Idrive changing the Head Unit is not and option.

Ali-E90 · 10-03-2020, 06:45 AM

Quote:

Originally Posted by ctuna

If you have a Nav/Idrive changing the Head Unit is not and option.

Ahh sorry, I forgot that OP mentioned he has CIC.

Ctuna is right, these android decks aren't designed to work with idrive... BUT I have seen it done before, so I guess it's possible?

It's not common, so you may need to dig a lot, or do some blind testing.

I thought it might be a way to hit your goals and budget.
But otherwise a small 4-ch amp, used only to power your front stage (otherwise you need 6-ch), can likely still fit in your budget, especially if you go used and not something too high on power or brand name.

Best of luck.

ctuna · 10-03-2020, 11:46 AM

What to you do the dead screen and the hump in the middle of the dash from the
old idrive. I haven't seen one so far that solves this issue as a head replacement.
I have only seen one person that owns a shop solve this problem.
And they spent a lot to do it.

SOLEX18 · 10-07-2020, 10:36 PM

Quote:

Originally Posted by ctuna

Without an amp you will only get a placebo effect and the Head Unit
only power will have a hard time driving any decent after market speaker.
Sorry Physics is Physics.

Thank you first and foremost, as always. Couple of quick questions

1) Since I have the base audio, obviously no existing wiring is in the trunk. Is there any small sized 4 channel amp recommended that I can install directly to the head unit without wiring to the trunk and mount somewhere up front? Can I power that with a harness to the HU? I am asking for a 4 channel amp, as I have no plans on upgrading the rear speakers as it is a coupe, and I drive alone.

2) Since I want to move in steps, after the amp, is coding to hifi 100% needed? Or can I have improved audio off the bat with an amp install?

3) I would still like to replace just the front door speakers with coax (tweeters built in, correct?) possibly via Bavsound or GRS. They are cheap enough, and I am sure adding the built in tweeters will help greatly especially once they are amplified.

4) I found a cheap set of L7 floor mounted subs that were on an e9x. Is it safe to assume this is a plug and play upgrade from the base subs? Not looking for anything earth shattering, but this set is cheap enough to justify a noticeable difference.

5) I am using the Bovee as I read bluetooth streaming only came on cars after 10/10 production. Should I bother looking into another way to get my phone's music to the car? For example Combox or Ebay box? Maybe this will increase the quality of music as well, as I can't get my music via the USB port (which I assume won't charge my iphone either)

Thank you again!

E92x7z · 10-08-2020, 04:07 AM

1 Focal impulse 4.320
2 recomend
3 yes tweeters in base audio is a big step to audio update but no need coax. get 2 line front tweeters and 4 inch full range this is a TOP
4 L7 is a 2 ohm you base stereo is a 4

5 not know

bluewater328 · 10-08-2020, 04:29 PM

Quote:

Originally Posted by SOLEX18

Thank you first and foremost, as always. Couple of quick questions

1) Since I have the base audio, obviously no existing wiring is in the trunk. Is there any small sized 4 channel amp recommended that I can install directly to the head unit without wiring to the trunk and mount somewhere up front? Can I power that with a harness to the HU? I am asking for a 4 channel amp, as I have no plans on upgrading the rear speakers as it is a coupe, and I drive alone.

2) Since I want to move in steps, after the amp, is coding to hifi 100% needed? Or can I have improved audio off the bat with an amp install?

3) I would still like to replace just the front door speakers with coax (tweeters built in, correct?) possibly via Bavsound or GRS. They are cheap enough, and I am sure adding the built in tweeters will help greatly especially once they are amplified.

4) I found a cheap set of L7 floor mounted subs that were on an e9x. Is it safe to assume this is a plug and play upgrade from the base subs? Not looking for anything earth shattering, but this set is cheap enough to justify a noticeable difference.

5) I am using the Bovee as I read bluetooth streaming only came on cars after 10/10 production. Should I bother looking into another way to get my phone's music to the car? For example Combox or Ebay box? Maybe this will increase the quality of music as well, as I can't get my music via the USB port (which I assume won't charge my iphone either)

Thank you again!

1) TechnicsPNP provides an easy way to wire up with existing wiring. Just need to add power to the amp from battery.
2) You can code to Hifi or you can get a Fix or similar devices that takes high-level input and allows you to adjust. You could also spend more for an amp that can do that as well. Best results come from HiFi since it sends the flat signal that doesn't really need to be adjusted except to taste.
3) You can also install the "Sails" with tweeter slots like HiFi and above and then you could run separates. You don't have to run separate wires; can just use a crossover that you can install in door.
4) Not necc plug and play as you still need power and how the wiring is set up is important. Lots of other options too, but yes, not cheap.
5) IMHO, if you're not trying to really improve the overall nature of the audio with new speakers/amp etc, there is no real gain in getting away from the BOVEE if its convenience outweighs getting another costly Bluetooth accessory device and installing/coding that in as well. Same device that improves Bluetooth can allow direct USB. I would say that you can also just run a SPDIF from a quality hifi device like HiBy direct to some amps that have variable inputs (JL and Alpine both have this in their DAC lines). There is a thread on these options (something about ebay box for bluetooth)

SOLEX18 · 10-08-2020, 04:56 PM

Quote:

Originally Posted by bluewater328

1) TechnicsPNP provides an easy way to wire up with existing wiring. Just need to add power to the amp from battery.
2) You can code to Hifi or you can get a Fix or similar devices that takes high-level input and allows you to adjust. You could also spend more for an amp that can do that as well. Best results come from HiFi since it sends the flat signal that doesn't really need to be adjusted except to taste.
3) You can also install the "Sails" with tweeter slots like HiFi and above and then you could run separates. You don't have to run separate wires; can just use a crossover that you can install in door.
4) Not necc plug and play as you still need power and how the wiring is set up is important. Lots of other options too, but yes, not cheap.
5) IMHO, if you're not trying to really improve the overall nature of the audio with new speakers/amp etc, there is no real gain in getting away from the BOVEE if its convenience outweighs getting another costly Bluetooth accessory device and installing/coding that in as well. Same device that improves Bluetooth can allow direct USB. I would say that you can also just run a SPDIF from a quality hifi device like HiBy direct to some amps that have variable inputs (JL and Alpine both have this in their DAC lines). There is a thread on these options (something about ebay box for bluetooth)

Thanks for the response.

For Point 1, I guess I am asking if there is any small size amp (does not have to be anything fancy) that can simply draw power from the HU? I do not know how to wire an amp to the battery, not really looking to mess with that. A previous poster mentioned the Focal Impulse amp that is plug and play so to speak (includes harness etc) which I am willing to buy as my first step.

https://www.ebay.com/itm/For-BMW-1er...wAAOSwU21fWziM

Point 2, if I do code to HiFi, can I do so with my phone app (such as Bimmercode) or does it have to be done with a Windows laptop?

Point 3- My question is would a coaxial speaker have the same effect as putting in new speakers + sail tweeters? I rather a coaxial speaker if it has the same effect of built in tweeter/speaker.

Point 4- This L7 sub set I found is super cheap, talking about $50 for the pair from a junkyard. If it is not plug and play, I will pass, however would HiFi be plug and play then as I am sure I can find it cheap as well in a junkyard.

Point 5- Totally understood, I will look into this later if I am not happy with the bluetooth streaming quality. I will most likely keep the Bovee, but if a combox is plug and play and I find one cheap, I will go ahead with that at some point.

kieranrobo · 10-09-2020, 03:14 PM

Just thought I'd say I'm in a similar position to you, and bought a complete hifi audio set taken out of another car with the option. It included the 4 door speakers, tweeters, amp, subs, and complete wiring loom. Basically I just need to lay the wiring loom and plug in the speakers. Planning on doing it this weekend so will let you know how it goes.

I paid about £300 for it which is like $400, but everyone said it's a major upgrade.

Jamesb44 · 10-11-2020, 10:31 AM

[IMG][/IMG]

So I got my 3 series coupe 2 days ago, any idea what this is? I'm guessing it's an amp for a sub?

Tia

ctuna · 10-11-2020, 01:16 PM

SOLEX18 · 10-11-2020, 09:26 PM

Quote:

Originally Posted by SOLEX18

Thanks for the response.

For Point 1, I guess I am asking if there is any small size amp (does not have to be anything fancy) that can simply draw power from the HU? I do not know how to wire an amp to the battery, not really looking to mess with that. A previous poster mentioned the Focal Impulse amp that is plug and play so to speak (includes harness etc) which I am willing to buy as my first step.

https://www.ebay.com/itm/For-BMW-1er...wAAOSwU21fWziM

Point 2, if I do code to HiFi, can I do so with my phone app (such as Bimmercode) or does it have to be done with a Windows laptop?

Point 3- My question is would a coaxial speaker have the same effect as putting in new speakers + sail tweeters? I rather a coaxial speaker if it has the same effect of built in tweeter/speaker.

Point 4- This L7 sub set I found is super cheap, talking about $50 for the pair from a junkyard. If it is not plug and play, I will pass, however would HiFi be plug and play then as I am sure I can find it cheap as well in a junkyard.

Point 5- Totally understood, I will look into this later if I am not happy with the bluetooth streaming quality. I will most likely keep the Bovee, but if a combox is plug and play and I find one cheap, I will go ahead with that at some point.

ctuna Hoping you can help out here

09-30-2020, 09:07 PM	#1
SOLEX18 New Member 4 Rep 20 Posts Drives: 2011 335i Join Date: Sep 2020 Location: NJ iTrader: (0)	E92 LCI Base Audio Upgrade (on budget) Hi All I am new here, coming from an E46 which had a decent H/K system which I had no need to upgrade. Needless to say I am a straight up Noob when it comes to upgrading car audio, but I did my homework and did alot of reading right here and went through many threads/stickies. This LCI E92 I just bought (unknowingly to me) comes with a base non-tweeter sound system. I am no audiophile, but I definitely want to upgrade this horrid system. The car does have a CIC Navigation system, and 6FL, so is it still safe to assume I do not have an amplifier? I am on a budget (we are talking like $400-$500), so please bear with me. Here is what I wanted to do, and where I am stumped. Again I did read through the threads and saw some people's installs which I can only imagine cost thousands of dollars which I can't do. I just want the most basic upgrade that will make a difference in what I hear. 1st plan: I read TONS of people saying to install a JL Audio Cleansweep. Found one on ebay for about $150 but did not pull the trigger yet. Do I install just this cleansweep and will I have better sound with the base speakers? Do I need a harness or anything else to go with it? I did not see a specific install for a Cleansweep, is it the same as an amp install? I also did want to install tweeters, as I can get the BMW tweeters for cheap from another e9x. I was curious if the wires exist within the door, and if it is plug and play. 2nd plan was to replace speakers alone with something like Bavsound, or even something from MB Quart as they have speakers specific for this car as well that both claim to be plug and play. However My research showed that I MUST install an amp to get things "Kicking". Another option was to code my head unit into thinking it is the HiFi unit, is this a viable option for me so I do not have to install an amp? 3rd plan- Leave it as is, and live in agony (first world problems, I know!) Thank you in advance for any assistance here!
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09-30-2020, 10:15 PM	#2
ctuna Lieutenant General 1911 Rep 13,103 Posts Drives: 325xi 06 wagon MT Join Date: Jan 2010 Location: Santa Cruz, Ca iTrader: (0)	So I take it you have a 2010 to 2011.5 car which are the only ones that go the base stereo in the US? You need to find out for sure by using a Vin checker to list the options. All the cleansweep does is flatten the output of the Head unit it is not and amplifier and is obsolete now. In order to get some quality you need to spend 1k to 2k with the middle of that number being pretty much in the middle.
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09-30-2020, 10:20 PM	#4
ctuna Lieutenant General 1911 Rep 13,103 Posts Drives: 325xi 06 wagon MT Join Date: Jan 2010 Location: Santa Cruz, Ca iTrader: (0)	Base System Upgrades http://www.e90post.com/forums/showthread.php?t=1378833 base system wiring pre/post 3/09 https://www.google.com/url?sa=t&rct=...tDpLJPcGkw_ui_ http://www.e90post.com/forums/attach...1&d=1411521234 http://www.e90post.com/forums/showth...ghlight=Dotech http://www.bimmerfest.com/forums/sho...d.php?t=550771 http://www.e90post.com/forums/showthread.php?t=445266 http://www.e90post.com/forums/showthread.php?t=581379 http://www.e90post.com/forums/showthread.php?t=494299 http://www.e90post.com/forums/showthread.php?t=451941 http://www.e90post.com/forums/showth...ht=amp+upgrade http://www.e90post.com/forums/showthread.php?t=540954 http://f30.bimmerpost.com/forums/sho....php?t=1003810 http://www.e90post.com/forums/showth...1#post16679904 http://www.e90post.com/forums/showthread.php?t=822366 http://www.diymobileaudio.com/forum/...morel-jbl.html http://www.e90post.com/forums/attach...1&d=1411521234 http://www.1addicts.com/forums/showthread.php?t=634957 http://www.e90post.com/forums/showthread.php?t=495855 http://www.e90post.com/forums/showthread.php?t=495855 http://www.e90post.com/forums/attach...1&d=1411521234 http://www.1addicts.com/forums/showthread.php?t=634957
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10-01-2020, 02:05 AM	#6
ctuna Lieutenant General 1911 Rep 13,103 Posts Drives: 325xi 06 wagon MT Join Date: Jan 2010 Location: Santa Cruz, Ca iTrader: (0)	6fl is usb . Coding a to hi fi will do you absolutely no good without a harness and amp. actually those links do work for me as long as I don't access them from your re quote high lite box. I had the the upgraded system in the E46 and it was quite adaquate even pretty good. All the system's in he e9x series are pretty much crap. Base System http://www.e90post.com/forums/showthread.php?t=445266 http://www.1addicts.com/forums/showthread.php?t=634957 http://f30.bimmerpost.com/forums/sho....php?t=1003810 http://www.e90post.com/forums/showthread.php?t=822366 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/showth...ghlight=Dotech http://www.e90post.com/forums/showthread.php?t=495855 http://www.e90post.com/forums/showthread.php?t=494299 http://www.diymobileaudio.com/forum/...morel-jbl.html http://www.e90post.com/forums/showth...ht=amp+upgrade http://www.bimmerfest.com/forums/sho...d.php?t=550771 http://www.e90post.com/forums/showth...1#post16679904 http://www.e90post.com/forums/attach...1&d=1411521234 http://www.e90post.com/forums/showthread.php?t=1378833 base system wiring pre/post 3/09 http://www.e90post.com/forums/showth...1#post16679904 So maybe some of the links didn't work. Last edited by ctuna; 10-01-2020 at 02:28 AM..
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10-01-2020, 01:05 PM	#8
ctuna Lieutenant General 1911 Rep 13,103 Posts Drives: 325xi 06 wagon MT Join Date: Jan 2010 Location: Santa Cruz, Ca iTrader: (0)	Any amplification would be and improvement . The trouble with a just and amp alone is you need away to flatten the eq curve at the high end . As a cheap way out if you get component speakers for the doors and they come with a crossover you can set the crossover to it's lowest setting. The usual thing to do is use the 4 channels for the front door and floor speakers one channel for each location after splitting the connection between the doors and floors.
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10-01-2020, 11:18 PM	#10
ctuna Lieutenant General 1911 Rep 13,103 Posts Drives: 325xi 06 wagon MT Join Date: Jan 2010 Location: Santa Cruz, Ca iTrader: (0)	Without an amp you will only get a placebo effect and the Head Unit only power will have a hard time driving any decent after market speaker. Sorry Physics is Physics.
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10-02-2020, 05:12 PM	#11
Ali-E90 Colonel 379 Rep 2,365 Posts Drives: 2007 E90 323i (Cdn) Join Date: May 2013 Location: Toronto, Canada iTrader: (3) Garage List 2008 BMW M3 [8.00] 2007 BMW 323i [8.50]	If you don't want to amplify separately, another option could be to get one of those android decks made for our car (eonon, etc), which delivers more power than stock HU, and uses the factory harness to power the speakers, so it's all plug and play. You're obv spending a few hundo on the eonon (or whatever brand), but that's also getting you a screen with a ton of features etc. I wouldn't recommend this route for anyone more serious about their sound, but it's prob as good as you'll get without using a separate amp. __________________ Check out my Mod Thread Here
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10-02-2020, 08:18 PM	#12
ctuna Lieutenant General 1911 Rep 13,103 Posts Drives: 325xi 06 wagon MT Join Date: Jan 2010 Location: Santa Cruz, Ca iTrader: (0)	If you have a Nav/Idrive changing the Head Unit is not and option.
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10-03-2020, 11:46 AM	#14
ctuna Lieutenant General 1911 Rep 13,103 Posts Drives: 325xi 06 wagon MT Join Date: Jan 2010 Location: Santa Cruz, Ca iTrader: (0)	What to you do the dead screen and the hump in the middle of the dash from the old idrive. I haven't seen one so far that solves this issue as a head replacement. I have only seen one person that owns a shop solve this problem. And they spent a lot to do it.
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10-08-2020, 04:07 AM	#16
E92x7z Private First Class 21 Rep 129 Posts Drives: BMW e92 330 Join Date: Mar 2020 Location: Bulgaria iTrader: (0)	1 Focal impulse 4.320 2 recomend 3 yes tweeters in base audio is a big step to audio update but no need coax. get 2 line front tweeters and 4 inch full range this is a TOP 4 L7 is a 2 ohm you base stereo is a 4 5 not know
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10-09-2020, 03:14 PM	#19
kieranrobo New Member 4 Rep 21 Posts Drives: 2010 E92 330i Join Date: Jun 2020 Location: Glasgow, UK iTrader: (0)	Just thought I'd say I'm in a similar position to you, and bought a complete hifi audio set taken out of another car with the option. It included the 4 door speakers, tweeters, amp, subs, and complete wiring loom. Basically I just need to lay the wiring loom and plug in the speakers. Planning on doing it this weekend so will let you know how it goes. I paid about £300 for it which is like $400, but everyone said it's a major upgrade.
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10-11-2020, 10:31 AM	#20
Jamesb44 New Member 8 Rep 18 Posts Drives: BMW e92 Join Date: Oct 2020 Location: Sheffield iTrader: (0)	[IMG][/IMG] So I got my 3 series coupe 2 days ago, any idea what this is? I'm guessing it's an amp for a sub? Tia Attached Images
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10-11-2020, 01:16 PM	#21
ctuna Lieutenant General 1911 Rep 13,103 Posts Drives: 325xi 06 wagon MT Join Date: Jan 2010 Location: Santa Cruz, Ca iTrader: (0)	It's neither. BMW stereo types http://www.e90post.com/forums/showthread.php?t=352586 http://www.e90post.com/forums/attach...2&d=1266451970 http://www.e90post.com/forums/attach...2&d=1260829447 http://www.e90post.com/forums/showthread.php?t=138949 http://www.e90post.com/forums/attach...1&d=1209780865 http://bmwcoders.com/forum/3-er-8/bm...1-e92-e93-291/ http://technicpnp.com/menuDiagrams/d...e90_92_93.html http://www.musicarnw.com/page-2/ http://www.e90post.com/forums/attach...3&d=1169133185 http://www.e90post.com/forums/attach...1&d=1209780605 http://www.e90post.com/forums/showthread.php?t=641323 http://www.e90post.com/forums/attach...4&d=1278871872 http://www.e90post.com/forums/showthread.php?t=343673 https://www.bimmerfest.com/threads/e...n-752.1275694/ Telephone Control Unit TCU or could be a DAB in your country. Should be labeled on the side or somewhere. Try to find a working Vin Decoder to see which installed option you have. If you have no tweeters in the front of the door sills you have the ampless base system. Also you should start your own thread. Last edited by ctuna; 10-11-2020 at 01:24 PM..
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