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IS F (2008-2014) Discussion topics related to the IS F model

ML upgrade for without ML car

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Old May 3, 2026 | 08:26 AM
  #1  
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Osatubei
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Default ML upgrade for without ML car

Since the left rear tweeter on my MY10 IS F has stopped working, I’m thinking of installing a Mark Levinson system, something I’ve been considering for a while. I don’t think there will be any issues with the front wiring harness, but since the locations of some of the rear speakers differ depending on whether the Mark Levinson system is installed, I’m struggling with how to handle the wiring harness.To be honest, the cost-performance ratio isn’t great, but I want to enjoy the sense of superiority that comes with having Mark Levinson, and since I often listen to songs with female vocals, I think it’s worth installing. Translated with DeepL.com (free version)
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Old May 3, 2026 | 09:01 AM
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Originally Posted by Osatubei
Since the left rear tweeter on my MY10 IS F has stopped working, I’m thinking of installing a Mark Levinson system, something I’ve been considering for a while. I don’t think there will be any issues with the front wiring harness, but since the locations of some of the rear speakers differ depending on whether the Mark Levinson system is installed, I’m struggling with how to handle the wiring harness.To be honest, the cost-performance ratio isn’t great, but I want to enjoy the sense of superiority that comes with having Mark Levinson, and since I often listen to songs with female vocals, I think it’s worth installing. Translated with DeepL.com (free version)
I think you'll find that it isn't worth it. You'll have to replace a lot of harness and get a new head unit in order for it all to work properly. I like the ML system, but tearing apart half of the interior and spending $1500+ just to get it seems like a lot.
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Old May 3, 2026 | 09:04 AM
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Originally Posted by CawaLimon
I think you'll find that it isn't worth it. You'll have to replace a lot of harness and get a new head unit in order for it all to work properly. I like the ML system, but tearing apart half of the interior and spending $1500+ just to get it seems like a lot.
I’m not asking if it’s worth it. I’m asking how to do it.
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Old May 3, 2026 | 01:53 PM
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Originally Posted by Osatubei
I’m not asking if it’s worth it. I’m asking how to do it.
Fair enough. There are plenty of threads on this forum that discuss this upgrade. This thread may be a good place to start. There isn't a straightforward tutorial on doing this as it's pretty complicated and few if any people have completed this swap. But there is plenty of info on all that you'd theoretically need to complete it.
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Old May 22, 2026 | 02:35 PM
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Since you don't like advice, I hope you will at least tell us how the installation works out. My guess is you won't do it.
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