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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY: Logic7 Retrofit in E90



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      08-23-2023, 02:10 PM   #67
lordnikon
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Those silver woofers looks like individual audio speakers instead of Logic 7.
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      08-23-2023, 04:17 PM   #68
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Originally Posted by whyzee125 View Post
@VickyK I'm so excited to get started on this--thank you for the help you provided me already via PM a while back.

I have a used L7 amp bracket and pigtail, new BavSound speakers, and the MOSt wiring.

My plan was to repin the existing speaker connections to the L7 pigtail and run new wiring to the additional speakers but a full L7 harness just popped up for sale. Should I just buy that? What's easier or better in your opinion?
Well it's all up to you actually. If you use pigtail, you save little bit money but you still need to run additional cables yourself. Also looks like you want to use Bavsound, which is not included center , rear door speakers. So that l7 loom might be overkill for your case
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      08-23-2023, 04:19 PM   #69
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Originally Posted by lordnikon View Post
Those silver woofers looks like individual audio speakers instead of Logic 7.
Since when? Inv audio speakers have gold coloured.
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      08-23-2023, 04:54 PM   #70
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Quote:
Originally Posted by VickyK View Post
Well it's all up to you actually. If you use pigtail, you save little bit money but you still need to run additional cables yourself. Also looks like you want to use Bavsound, which is not included center , rear door speakers. So that l7 loom might be overkill for your case
I have the full bavsound speaker kit for L7, 13 replacement speakers. I had this setup in my old car with factory L7 amp and it sounded phenominal.

Thanks for the reply!
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      10-10-2023, 01:12 PM   #71
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thanks for the post.

I'm going to install a individual sound system in a hifi pre-lci car, and noticed the wires are not present in the hifi car. fml.
So looks like it confirm that I need to take part of the interior down to get the harness out.

And I think ''while I'm there'' ill swap the comfort, CIC and backup sensor.


According to your experience, should I swap also the whole fuse box?

(I own both cars, so I have all parts)
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      10-11-2023, 12:02 AM   #72
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Originally Posted by oVeRdOsE. View Post
thanks for the post.

I'm going to install a individual sound system in a hifi pre-lci car, and noticed the wires are not present in the hifi car. fml.
So looks like it confirm that I need to take part of the interior down to get the harness out.

And I think ''while I'm there'' ill swap the comfort, CIC and backup sensor.


According to your experience, should I swap also the whole fuse box?

(I own both cars, so I have all parts)

Swapping a fusebox in these cars is a hefty job by itself. I don't think you should be doing it, . Frankly that sounds crazy. If the old car had hifi harness, you just need to use the logic7 pigtail and wire a few extra lines. A bunch of guys here have done it. CCC quadlock wiring is different from CIC.
Doing multiple things simultaneously might sound efficient, but at the same time if things break you will be having a tough time identifying the issue
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