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      03-23-2010, 10:26 PM   #1
frank358fr
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How to replace front center speaker(Logic 7)

Hi, I got the Logic 7
My front center speaker(on the windshield) I think just broke tonight. Theres a sound like if the speaker were broken(scrachhhchch) everytime I put some music. The speaker worked but theres like a bad sound coming from it(I dont know how to explain it, hope you understand) Is there anyway I can fix it or I need a new front center speaker?
Need help
Thanks Folks.
Frank
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      03-24-2010, 12:01 AM   #2
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fyi, Bavarian Sound Works (BSW) has a center speaker upgrade for L7 in our cars, and there's a PDF on how to replace it on-line.
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      03-24-2010, 12:23 AM   #3
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Apparently, the L7 center channel sounds better disconnected.
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      03-24-2010, 01:56 AM   #4
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Its easy to change / remove / disconnect. Just pop the grille out with a trim tool - it just snaps up & out. Then use a stubby screwdriver to remove the screws. Easy.
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      03-24-2010, 07:52 AM   #5
Lee Rambler
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before ordering another speaker, just wire any old speaker you have laying around up temporarily to make sure the noise goes away with the speaker... ie make sure it isn't in the amp
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      03-24-2010, 06:29 PM   #6
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Before ordering another speaker, disconnect the one you have and drive around with it for awhile and notice how much better it sounds...
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High-performance audio for BMWs
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      03-24-2010, 07:40 PM   #7
Lee Rambler
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lol... I'm in the same boat with no center. Some time alignment and much better. the center is band limited with weird eq on it to boot
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      03-24-2010, 11:40 PM   #8
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Thanks i do not have any trim removal tool. My question ishow can i remove the trim that cover my speaker.
Thanks!
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      03-24-2010, 11:44 PM   #9
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Quote:
Originally Posted by VP Electricity View Post
Before ordering another speaker, disconnect the one you have and drive around with it for awhile and notice how much better it sounds...
Can you explain how to disconnect it? From the speaker itself? Or from the amp connector? Thanks.
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      03-25-2010, 07:38 AM   #10
Lee Rambler
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you can use a small flat blade screw driver to remove the panel, just be extra careful - maybe wrap a thin piece of fabric or even paper towel around it to help avoid scratching your dash....

best to disconnect at the speaker, otherwise you would have to either cut the wires at the harness or remove the pin(s) at the harness sub assembly
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      03-25-2010, 07:39 AM   #11
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you'll want to leave the L7 off when you have it disconnected too, though I personally didnt ever use it anyway as I wasn't a fan

note that even with the L7 off, sound still comes from the center speaker - just not near as much
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      03-25-2010, 10:58 AM   #12
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Thanks. I personally like the concert hall L7 surround sound. I'm assuming this is the feature you're referring to when you mean turn it off. I'll be disconnecting my speaker today. I'll post back and tell you guys how I like it.
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      03-26-2010, 02:09 AM   #13
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Check this...
Attached Images
  
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      03-28-2010, 04:28 AM   #14
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Hey guys,
I disconnect the center speaker and I tried without this speaker and GOD IT SOUND AMAZING NOW . I do not have to replace it, I will leave it like that since its better without it.
Thanks again for your help folks
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      03-28-2010, 12:50 PM   #15
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Booster4075 Thanks for the pic. That's a cool screwdriver you got there. I've seen those around and might have to pick one up. frank358fr, glad you got your problem fixed.
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      03-28-2010, 02:38 PM   #16
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Quote:
Originally Posted by ********* View Post
Booster4075 Thanks for the pic. That's a cool screwdriver you got there. I've seen those around and might have to pick one up. frank358fr, glad you got your problem fixed.
As my dad always says, "It's easy when you've got the tools!"
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      05-10-2016, 12:51 AM   #17
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Update. This should be an ongoing issue for all E90 owners with Logic 7. I just got my E90 4 weeks ago and it came with some crackling from the center speaker. The crackling comes and goes but is very evident when i'm using the bluetooth phone function.

After reading through quite a few posts on diy removal and fixes, i finally took the center speaker off today.

The cone is 80 % close to separating from the black round rubber surround. So i pushed the cone to make the separation final. Then I squirted shoegoo into the gap between the cone and the rubber, sealing the two together.

Just reinstalled the speaker and knock on wood, the crackling has dissappeared!

Will try it a few days / weeks before putting back the speaker cover.

It's a royal pain to remove!
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      05-10-2016, 12:46 PM   #18
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Quote:
Originally Posted by maruzo View Post
Update. This should be an ongoing issue for all E90 owners with Logic 7. I just got my E90 4 weeks ago and it came with some crackling from the center speaker. The crackling comes and goes but is very evident when i'm using the bluetooth phone function.

After reading through quite a few posts on diy removal and fixes, i finally took the center speaker off today.

The cone is 80 % close to separating from the black round rubber surround. So i pushed the cone to make the separation final. Then I squirted shoegoo into the gap between the cone and the rubber, sealing the two together.

Just reinstalled the speaker and knock on wood, the crackling has dissappeared!

Will try it a few days / weeks before putting back the speaker cover.

It's a royal pain to remove!
This also commonly happens with the two rear deck speakers, since these are exposed to sunlight. I had to replace both rear ones already. Pretty simple luckily.
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      05-10-2016, 12:53 PM   #19
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Quote:
Originally Posted by JustDriveIt View Post
This also commonly happens with the two rear deck speakers, since these are exposed to sunlight. I had to replace both rear ones already. Pretty simple luckily.
How much did you pay for the speakers? Did you buy them from Bavsound?
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      05-10-2016, 05:12 PM   #20
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Quote:
Originally Posted by maruzo View Post
How much did you pay for the speakers? Did you buy them from Bavsound?
I just replaced them with original Logic7 speakers. I bought two for $30 used on ebay
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      05-10-2016, 05:20 PM   #21
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Quote:
Originally Posted by VP Electricity View Post
Before ordering another speaker, disconnect the one you have and drive around with it for awhile and notice how much better it sounds...
Debating if this is true with a vert.

With the top down, you loose a lot of sound from the far side of the car. The middle speaker helps compensate for this and fill it out.

Last edited by Fundguy1; 05-11-2016 at 08:17 AM.
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      05-11-2016, 05:40 AM   #22
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Quote:
Originally Posted by JustDriveIt View Post
I just replaced them with original Logic7 speakers. I bought two for $30 used on ebay
That's a super deal. How was the condition of the cones?
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