Hey all im currently building a turbo m30 in my 89 535i and its getting to the point that i need to look for an ecu so anyone who's done this before, any help is a appreciated
Buy this: https://k-data.org/en/kdfi/pnp-bmw/2...p-bmw-m30?c=95
Thank me later. Seriously, can't beat a plug and play for 99% of the time.
Wish they had one for me back when I installed an ECU from the ground up
We have a MegaSquirt PNP for these cars - as long as you have a manual transmission -that is built and supported out of the USA, and supported through the official MegaSquirt forums as well.
https://www.diyautotune.com/product/...-bmw-e30-325i/
Matt Cramer
1997 BMW 328i convertible, 1972 Chevy C10 pickup, 1966 Dodge Dart slant six
BMW - where "Why doesn't everybody build cars the way they do?" meets "Why can't they build a car the same way everyone else does it?"
What Matt said, I love my DIYPNP.
'89 535i/5 Holset WH1E turbo
Follow my m106 megasquirt build thread here
Follow my R75/6 build here. Youtube - Dispatch Moto
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