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Your Price: $645.00
Retail Price:$700.00
Your Savings:$55.00(8%)
Part Number: ME442
Availability: Back Order

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The new, state of the art Motorsports Electronics Plug-n-Play ECU is here!

ME442 Plug-In ECUs

Factory Fit, ME442 Control
feature rich | accurate | reliable

The ME442 Plug-In ECU range offers all the features of the ME221 platform such as the convenience of using the factory harness and sensors, as well as real world basemaps, to give a quick, pain-free install, while still allowing upgrades such as MAF-less fuel control, turbocharging or throttle body installs to be carried out.

                                                                     KEY FEATURES

  • VE Based fuelling algorithm (MAF-less)
  • CAN-Bus 2.0b
  • Supports all OEM Sensors/Dash/AC etc
  • Closed Loop Boost, Lambda & Idle Control
  • Battery-Backed Real-Time Clock
  • In-Built Bosch Wideband Controller
  • Industry Leading High Speed Data-logging
  • 6-Axis Gyro/Accelerometer
  • Switchable Maps
  • E85/Flex-Fuel Support

  • K-Type EGT Input
  • VVT & DSP Windowed Knock Control
  • Configurable I/O with Auxiliary Inputs/Outputs
  • Advanced Motorsport Features
  • Powerful Tuning Suite


  • Powerful 180MHz RISC processor
  • Installs into the OEM Casing
  • 4 Bar On-Board MAP Sensor
  • In-built Bosch Wideband Controller
  • Onboard SD Logging
  • 2.0b CAN-Bus
  • USB Communications
  • Direct Fit to OEM Harness
  • Fault Diagnostics
  • Extra I/O

  • Drive-by-Wire Output
  • Accelerometer & Gyroscopes
  • 8x Coil and Injector Channels
  • Direct K-Type EGT Input
  • Battery-Backed Real-Time-Clock

The ME221 MX-5 Plug-In is the latest Plug-In Engine Management System for the Mk2.5 (3 Plug NBFL) MX-5 / Miata, years 1999-2000 1.6 (non-VVT) / 1.8 (w/VVT)


It supports the 1.6 and 1.8 model from the same hardware, and also fits the OEM case, which means the conversion installs tidily into the OEM position. The only extra thing you need to do besides plugging it in is run a MAP vacuum hose (supplied) from the ECU to the intake manifold.

New for 2019 – the Gen2 Model adds direct USB Connectivity and even more I/O!

  • Uses the ME221 ECU Core (NXP Automotive Processing Power)
  • Supports all factory sensors.
  • Truly Plug-n-Play
  • 16×16 Floating Point Fuel and Ignition & Boost Tables (with dual table switching)
  • VE based fuelling algorithm.
  • Run any type of high impedance injectors.
  • Lots of Spare-IO for extra sensors, COP Upgrades as well as multiple spare outputs!
  • DSP Knock Control
  • in-built 45psi MAP sensor.
  • Closed Loop Boost Control, Protection and Boost by Gear.
  • Launch Control and ALS.
  • Stock Alternator Control on Mk2/Mk2.5 models.
  • Fully Sequential Injection and Ignition available.
  • In the field regular firmware updates and improvements.
  • Uses the powerful, free, MEITE tuning studio.
  • An open approach to firmware/software features.
  • Supplied with rolling road certified and developed basemaps for either turbo or NA setups.

Wait! If you’re wanting even more features such as in-built Bosch Wideband Lambda Control, SD Logging, Gyros/Accelerometers, Drive-by-Wire and EGT input, then check out the ME442 version of this Plug-In

Package contents:
  • ME221 Plug-In Core Board
  • Vacuum Hose
  • USB Communications Cable
  • Stickers

See the manuals, and grab the tuning software here.