Genuine Plug-In convenience with modern G4X architecture, advanced tuning and motorsport features.

Purpose-built for the Mazda MX5 NA and 323 BG, the MX5NAX is designed to fit directly into the factory ECU location using the factory mounts, original wiring loom and connectors. No rewiring, no adapter looms, no compromises. It retains all factory functionality, delivers seamless OEM integration and includes a startup map to get your vehicle running quickly. The result is a clean, simple, reliable installation that maintains a stock appearance.

Link G4X Plug-in ECUs share the same processor, firmware, software and standard G4X feature set found throughout the G4X range. Features include dual CAN Bus, Flex Fuel, Flexible Engine Protection Limiters, CAN Keypad Control, Open and Closed Loop Boost Control, Dual Closed Loop Lambda, VVT Control, a built-in Trigger Oscilloscope, compatibility with aftermarket displays, Direct Automatic Transmission Control and 512MB of onboard data logging. It also features a built-in MAP sensor.

Drawing from Link's championship-winning G4X platform, the MX5NAX also supports advanced tuning and motorsport features including Nitrous Control, Launch Control, Anti-lag, Cruise Control, Traction Control, Race Timer and Power Management, Gear Shift Control and Paddle Shift Control.

A Link Plug-in ECU is the ideal solution when available for your vehicle and the wiring remains in good condition, providing modern engine management without the complexity of a wire-in installation.

The MX5NAX is designed to suit the following applications:

Mazda MX5 NA with 1.6L engine from 1989-1997

Mazda MX5 NA with 1.8L engine from 1994-1997

Mazda 323 BG GTX with 1.8L engine

Mazda 323 BG GTR with 1.8L engine

Please check your connector matches the header in the listed photo before purchasing.

This ECU works for manual transmissions only.

Includes onboard MAP sensor.

Most factory features are supported.

This ECU will need a modification before E-Throttle is usable.