Description
⚡ RM Primis Plug-and-Play Standalone ECU for VAG Cars
The VAG 1.8T Plug and Play Standalone ECU by RM Primis is a direct upgrade for VW, Audi, and Skoda 1.8T engines like AGU, AEB and AJL. It replaces the stock Motronic ECU and adds full control over fuel, ignition, boost and VVT while keeping OEM reliability.
🚀 Transform Your VAG Performance
Take full control of your 1.8T or turbocharged VAG engine with the RM Primis Standalone ECU — a direct plug-and-play replacement for Bosch Motronic systems.
Engineered for AGU, AEB, AJL, ANB and similar engines, it’s the perfect choice for drivers who want race-level performance with OEM-grade reliability.
Designed and built by RM Racing Electronics, Primis combines advanced tuning capability, CAN-Bus integration, and proven motorsport features inside a single, easy-to-install package.
🔧 Key Highlights
- True Plug-and-Play: Works with Bosch Motronic M3.8.2 / M3.8.4 / M3.8.5 — no wiring changes required.
- Complete Engine Management: Controls fuel, ignition, boost, VVT, and all major engine parameters.
- Transmission-Ready:
- Native CAN-Bus integration for ZF 8HP automatic transmission.
- DSG transmission support in active beta.
- Motorsport Features: Built-in antilag, launch control, and boost-by-gear strategies.
- Integrated Support Center: Full documentation and wiring guides available in the [Primis Help Center].
- For Motorsport & Off-Road Use: Developed for professional and performance applications.
⚙️ Technical Specifications
| Function | Details |
|---|---|
| Engine Compatibility | AGU, AEB, AJL, ANB, 1.8T platforms |
| Software | RM-Tuner (tuning + datalogging) |
| Internal MAP Sensor | 400 kPa (~43 psi boost) |
| Ignition Channels | 6 |
| Injector Channels | 6 |
| Low-Side Outputs | 6 |
| High-Side Outputs | 4 |
| VR Inputs | 1 – 2 |
| Digital Inputs | 3 |
| Knock Sensors | 2 |
| Wideband Support | Bosch LSU 4.9 / 4.2 (NTK testing) |
| Electronic Throttle | 1 |
| Analog Inputs | 8 |
| Dedicated Inputs | IAT, CLT, TPS |
| CAN Bus | Yes (fully programmable) |
| Programmable I/O | Yes (custom logic rules) |
| Boost Control | Open/Closed-loop PID (dual tables) |
| VVT Control | 2 channels – open/closed loop |
| Idle Control | 1-wire / 3-wire / ignition mode |
📦 What’s Included
- RM Primis ECU unit
- Plug-and-Play harness adapter for Motronic M3.8.2 / M3.8.4 / M3.8.5 VAG 1.8T Plug and Play Standalone ECU
- ECU adapter cable
- USB communication cable
- Quick-start manual & welcome pack
- Extra terminals and connectors
🧠 Why Choose RM Primis
- Developed specifically for VAG 1.8T and turbo platforms.
- OEM-style installation — connect, tune, drive.
- Motorsport-grade reliability using automotive-rated components.
- Free RM-Tuner software with live tuning and logging.
- Backed by RM Racing Electronics technical support and documentation.
💥 The Primis Advantage
Whether you’re upgrading a VW Golf GTI, Audi A4, or Seat Leon 1.8T, the RM Primis VAG 1.8T Plug and Play Standalone ECU gives you the tools to fine-tune your build for peak efficiency and power.
Enjoy faster throttle response, smoother boost control, and the ultimate confidence every time you drive.
