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-   -   JDM BP5A ecu (https://www.miataturbo.net/miata-parts-sale-trade-5/jdm-bp5a-ecu-103655/)

andyfloyd 08-20-2020 03:53 PM

JDM BP5A ecu
 
https://cimg4.ibsrv.net/gimg/www.mia...397ea4f5a0.jpg
selling a bp5a ecu I've had laying around for a while. If installed on a nb1 it raises the redline to 7500 rpm. $125 shipped.

concealer404 08-20-2020 04:36 PM

It also requires you to rework your fuel system if you want it to run remotely correctly.

Still a neat piece and a solid price, but it's not "just that easy" lol.

Melvin 08-24-2020 11:32 PM

Sorry to piggyback your post, but if anyone is interested in the ECU I have the throttle body mass damper that allows the BP5A to safely rev to 7500. As you probably know, there have been quite a few nightmare stories of throttle bodies coming apart and grenading the engine at high rpms. BP5As come with the mass damper stock to remedy the issue.

HarryB 08-25-2020 08:30 AM

I have been looking for one; PM incoming!

andyfloyd 08-25-2020 11:36 AM


Originally Posted by HarryB (Post 1579636)
I have been looking for one; PM incoming!

I assume you are talking about the mass damper and not the ECU? Lol

HarryB 08-25-2020 12:18 PM

Yeah, silly me; apologies for the thread hijack Andy

andyfloyd 08-25-2020 12:19 PM


Originally Posted by HarryB (Post 1579675)
Yeah, silly me; apologies for the thread hijack Andy

Your good brother. Nobody wants my ECU, I'm pretty sad about it.

atotalpro 02-12-2021 10:28 AM

I have been considering converting my BP4W to essentially being a BP5A with the ECU being one of the major components. Could you all provide some more insight on what you are talking about here?



Originally Posted by concealer404 (Post 1579316)
It also requires you to rework your fuel system if you want it to run remotely correctly.

Still a neat piece and a solid price, but it's not "just that easy" lol.

What is different about the fuel systems?


What is the "throttle body mass damper"?


Originally Posted by Melvin (Post 1579626)
Sorry to piggyback your post, but if anyone is interested in the ECU I have the throttle body mass damper that allows the BP5A to safely rev to 7500. As you probably know, there have been quite a few nightmare stories of throttle bodies coming apart and grenading the engine at high rpms. BP5As come with the mass damper stock to remedy the issue.


concealer404 02-12-2021 11:03 AM

BP5A is vac-referenced return system. BP4W is non-referenced returnless.

BP5A ecu with BP4W fuel system = drown your car in fuel.
BP4W ecu with BP5A fuel system = car barely runs because lean


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