A DIY-EFI CORE4 ECU module on a daughter-board allowing for Plug and Play installation on a 3 plug MK1 MX5 (1999-2000).
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.
Fully compatible and running Speeduino open source firmware.