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      01-25-2023, 09:32 PM   #1
prodigye92
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Drives: 2011 Bmw 335i Xdrive e92
Join Date: Jan 2023
Location: USA

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Base audio upgrade help

So long story short, I’ve had my 2011 e92 335i (Base audio) for about 2 years now. I honestly can’t take the god-awful sound quality anymore. I’ve done lots of research previously, and have read many of the links Ctuna has posted on other threads. I have come up with a particular setup that I believe will work. Does anyone have any advice on this upgrade path?

Phase 1:
* Replace all speakers (front doors and rears) with bavsound kit (or other speakers)
Total: $450

Phase 2:
* Earthquake SWS underseats
Total: $260

Phase 3:
* Run technic 2/4 harness, with a 6 channel amp (4 channels powering the front and underseats, 1 channel for a sub in the trunk, and 1 unused channel)
* Recode head unit to HIFI
Total: $85 + Recoding cost

Phase 4:
* Hook up sub in trunk with amp (If phase 3 bass isn’t enough for me)
Total: Depends on Sub and Sub box I go with

Again, I know this horse has been beat to death, but lots of the information out there is outdated, or thousands of dollars. I can’t really justify spending more than $1500 on a car with as many miles as I have on it (160k)
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