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BMW M5 F90 (2018+) General Forums iDrive, Nav, Stereo, Bluetooth, Electronics    do we all have this problem with the harmon kardon system?

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      11-05-2018, 04:54 PM   #1
MF Larry
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Question do we all have this problem with the harmon kardon system?

I noticed that with the logic 7 unchecked the satellite radio does not work in the rear speakers, only the front, with the front rear fader placed in the center.

The dealer told me this is how it is, and that you have to check the logic 7 box for satellite radio to come out of all the speakers

this cant be true, anyone else try this in their car? I hate the way the system sound with the logic 7 turned on and have never had this issue in any of my BMWs
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      11-05-2018, 05:20 PM   #2
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What’s logic 7?
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      11-05-2018, 07:25 PM   #3
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Quote:
Originally Posted by MF Larry View Post
I noticed that with the logic 7 unchecked the satellite radio does not work in the rear speakers, only the front, with the front rear fader placed in the center.

The dealer told me this is how it is, and that you have to check the logic 7 box for satellite radio to come out of all the speakers

this cant be true, anyone else try this in their car? I hate the way the system sound with the logic 7 turned on and have never had this issue in any of my BMWs
Sounds like they are just being lazy. However, in case they are right, just ask for the BMW documentation that backs up what they are saying.
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      11-05-2018, 08:30 PM   #4
MF Larry
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can someone go in their car put on satellite radio, make sure the logic 7 box is check OFF and go in the back seat and see if audio is playing back there
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      11-06-2018, 03:24 AM   #5
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Quote:
Originally Posted by MF Larry View Post
I noticed that with the logic 7 unchecked the satellite radio does not work in the rear speakers, only the front, with the front rear fader placed in the center.

The dealer told me this is how it is, and that you have to check the logic 7 box for satellite radio to come out of all the speakers

this cant be true, anyone else try this in their car? I hate the way the system sound with the logic 7 turned on and have never had this issue in any of my BMWs
They are fobbing you off, mine works fine.
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      11-06-2018, 09:09 AM   #6
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Works just fine for me....but I rarely listen to satellite, so.
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      11-06-2018, 09:51 AM   #7
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What’s logic 7?
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      11-06-2018, 09:59 AM   #8
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Quote:
Originally Posted by GUNGASLOW View Post
What’s logic 7?
It's audio processing software, I think proprietary to Harmon Kardon.
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      11-06-2018, 01:03 PM   #9
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so with logic 7 off, sattelite radio on and the balance in the middle, you have sound coming out of your rear speakers?

can you confirm?
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      11-06-2018, 02:05 PM   #10
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I can confirm with Logic 7 off in satellite radio, my rear speakers do NOT get any sound. Incredibly strange.

I tested with my Apple Car Play audio and the same is not true, I get sound out of the rear with or without Logic 7 turned on.

I'm willing to bet it shouldn't be that way - there is no reason one Stereo audio source works properly and another doesn't. It's incorrectly programmed, there is no other excuse.

2019 non-competition for reference.
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      11-06-2018, 03:44 PM   #11
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My feeling is, "Who cares?" because the sound quality of Sirius/XM as a source is pathetic. So, leave the Logic 7 on, because satellite radio needs all the help it can get.
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      11-06-2018, 10:32 PM   #12
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Quote:
Originally Posted by riceman View Post
I can confirm with Logic 7 off in satellite radio, my rear speakers do NOT get any sound. Incredibly strange.

I tested with my Apple Car Play audio and the same is not true, I get sound out of the rear with or without Logic 7 turned on.

I'm willing to bet it shouldn't be that way - there is no reason one Stereo audio source works properly and another doesn't. It's incorrectly programmed, there is no other excuse.

2019 non-competition for reference.
THANK YOU let me know what your dealer says
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      11-07-2018, 07:54 AM   #13
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I did a test on my M5C. With Logic 7 off Sirius does not play out of the rear speakers (door or rear deck). If you put the fader all the way to the back you get some sound out of the rear deck but not the rear doors. If you turn Logic 7 on, you get sound out of all speakers.
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      11-07-2018, 08:38 AM   #14
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Quote:
Originally Posted by STi2M3 View Post
I did a test on my M5C. With Logic 7 off Sirius does not play out of the rear speakers (door or rear deck). If you put the fader all the way to the back you get some sound out of the rear deck but not the rear doors. If you turn Logic 7 on, you get sound out of all speakers.
yes.

this cant be normal in a luxury car, none of my BMWs did this, the system sounds HORRIBLE

BMW needs to fix this
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      11-07-2018, 10:19 AM   #15
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Tried it out his morning and I do get sound from the rear speakers without logic 7. It is louder with logic 7 but works fine without it.
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      11-07-2018, 10:42 AM   #16
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Quote:
Originally Posted by Ever34 View Post
Tried it out his morning and I do get sound from the rear speakers without logic 7. It is louder with logic 7 but works fine without it.
with the front and rear balance in the center you get sound out of the rear speakers?

I dont I have to move the balance all the way to the rear to hear anything
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      11-07-2018, 03:15 PM   #17
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Quote:
Originally Posted by MF Larry View Post
Quote:
Originally Posted by Ever34 View Post
Tried it out his morning and I do get sound from the rear speakers without logic 7. It is louder with logic 7 but works fine without it.
with the front and rear balance in the center you get sound out of the rear speakers?

I dont I have to move the balance all the way to the rear to hear anything
I checked again and you are right. I usually have my fader set more towards the back. If I put it in the center there is no sound coming from the back.
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      11-07-2018, 05:12 PM   #18
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Ok so we can all agree the back speakers do not work when you play satellite radio?

This is a problem and needs to be resolved.
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      11-08-2018, 11:04 AM   #19
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Does this apply to the Bowers & Wilkins option too?
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      11-08-2018, 03:13 PM   #20
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Quote:
Originally Posted by windtendo View Post
Does this apply to the Bowers & Wilkins option too?
i dont know I dont have that
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      11-08-2018, 04:15 PM   #21
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Does this apply to the Bowers & Wilkins option too?
I have the B&W and have not had any of these issues. I'm not an audiophile so take it for what it's worth.
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Last edited by josec70; 11-08-2018 at 05:26 PM..
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      11-08-2018, 04:46 PM   #22
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Quote:
Originally Posted by windtendo View Post
Does this apply to the Bowers & Wilkins option too?
Logic 7 is proprietary to Harman company. I believe it came from their Lexicon division. Anyway, B&W does not have access to this processing. So there should be no issue as it can't even be selected.

And I have not noticed it in my car in my standard modes that I use.
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