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£400.00 exVAT⠀⠀£480.00 incVAT

DIY-EFI CORE4 Miata / MX5 MK1 Plug n Play ECU.
This is an ECU that plugs straight into the stock wiring loom for 1996-1998 (3 Plug) cars.
It fits the factory case and can come with an optional on-board wideband controller kit.


46 in stock

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A DIY-EFI CORE4 ECU module on a daughter-board allowing for Plug and Play installation on a 3 plug MK1 MX5 (1996-1998).
Fits in the factory enclosure for a tidy, compact installation.
Will be shipped with the latest firmware and base map.
Tuned with Tunerstudio.

Add internal wideband O2 control with a harness and sensor for just £120 extra!

Fully compatible and running Speeduino open source firmware.

Some hardware changes are required in the car for optimal running.
For installation details see:



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