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Already got t he alpine plug and play amp. Has wire harnesses that T off from the front and rear amp. Much more subwoofer channel power that I’m also taking advantage of

thanks for all the details! I do have the premium audio which is why I asked which you have. I removed the subwoofer amp and subwoofer box that came with the car as I have the alpine plug and play dsp amplifier, focal inside speakers, and an audiofrog subwoofer in a customer enclosure for the...

My car didn't come with this. I assume because I have the premium audio? Will see if I can find on ebay or something, worth looking into as a potential option

Do you happen to have any more photos of how you used each moutning location? I was looking at this type of design earlier today with cardboard. I assume this also doesn't have the OEM Subwoofer amp? Im struggling to figure out how to go about mounting that if I go this route

Came across this. Goes where the oem subwoofer is, not sure where or how to get it

Found a video which had this amp rack. Looking to try and get one otherwise I’ll start working on my own

Where are you mounting your controller ?

Smart making your own mount. I saw it and thought it was really questionable. Finishing my sub box, and then going to remove my sub and relocate the oem sub amp and then put the alpine amp along side it

Thats where alpine recommends for M3, but something about mounting upside down I don't like so a personal prefernce.

Need to run the wire in the car to see what I can do. Currently planning to remove my oem sub, relocate oem sub amp, and making a amp rack where the oem sub and amp rack currently are

Did you ever figure this out? From what I've read if you remove the panel under the center console air vent (in back seat) theres a hardness with a brown cable, people have used that. Do your own homework before cutting into it, but thats what I have seen.

Waiting for mine to come in, but going to install it on the roof of the truck (under rear deck inside the car) and build my amp rack there.

Its tested at 14.5V, not 15.5v/16v so yea its a concern of mine. Do you amps support such high voltage or do they just happen to work fine without an isoloator / resistor?

I'm going to get the alpine plug/play kit for my 22 M3P from Hepa-Kings. I also have a audiocontrol ACM-2.300 for my subwoofer. Have Focal-Inside's installed on the stock system already. Need to figure out if I have to bring the voltage down for my 300w sub amp or not. It'd signal sense off the...

also any chance you have video of the audio quality? Im thinking of getting the amp and wiring harness, I have focal insides, Sounds great but could use some help from a DSP

Thanks for sharing, I wasn't sure if it was just a board which went somewhere else. Is the cabling long enough to possible to where the OEM amp is if you recall?

Did you install it in the trunk behind the rear seats?

Hello everyone! I own a 2022 M3P and can't get over the lack of bass (every car I've owned has had a audio build to some spec). I really want to get around to setting something up, but find a lot of mixed information, and im hoping to get a single source through this thread I want to go 1 of 2...

Any possability you have photos from your install? Also what relay/resistor did you use, is this something installed by the factory or was this an addon? Thanks for the reply by the way!

Hello everyone. I have 1300w audio control DSP amp from my previous car. I was wondering if using that much power would drain a lot of power or not. I've also seen builds that have 2nd 12v batteries instaled, is this nessessary?