BMW E36 M3 S50B32 EURO Plug and Play Standalone ECU RM-PRIMIS MSS50 PnP

BMW E36 M3 S50B32 EURO Standalone ECU | RM Primis Plug and Play ECU

Product Description

Unlock the full performance of your BMW E36 M3 S50B32 EURO engine with the RM Primis Standalone ECU, engineered as a true plug-and-play ECU solution for the MSS50 88-pin ECU platform. Whether you’re upgrading for track use or refined street performance, this ECU delivers unmatched control, reliability, and tuning flexibility for the legendary S50B32 engine.

Developed for motorsport and OEM-grade integration, the RM Primis provides advanced calibration tools, CAN Bus control, and full support for VANOS variable valve timing, ensuring seamless communication with the rest of your BMW E36 systems.

Key Features

• Plug & Play Installation: Directly replaces the factory 88-pin ECU. Includes the RM Primis ECU, harness adapter, ECU adapter cable, USB interface, and all required accessories.

• Full CAN Bus Integration: Communicates with vehicle modules and supports ZF 5HP automatic transmission via GS20 TCU compatibility.

• Advanced Engine Management: Native support for VANOS control, idle control, knock monitoring, and all key actuators of the S50B32 engine.

• Professional Tuning & Datalogging: Adjust fuel, ignition, and boost tables using the RM-Tuner software, with real-time logging and map switching.

• ZF 8HP Transmission Ready: Built-in CAN Bus support for ZF 8HP TCU integration—no external controller needed. [Learn more HERE].

Performance Enhancements

• Integrated 400 kPa MAP Sensor: Perfect for naturally aspirated and turbo applications.

• Drive-by-Wire Support: Optional electronic throttle control for sharper, programmable throttle response.

• Wideband O₂ Compatibility: Supports Bosch LSU 4.9 and 4.2 sensors (NTK support in testing).

• Boost Control: Closed/open loop PID with dual tables for ultra-precise boost targeting.

• VVT Control: Full Control over the original VANOS with 2 solenoids per CAM, doesn't require modifications to remove the Diodes like others do.

• Idle & AC Control: Open/closed loop idle strategies with full A/C integration.

• Motorsport Functions: Launch control, antilag, and boost-by-gear for drag and circuit applications.

Technical Specifications

Additional Capabilities

• Full Sequential Fuel & Ignition: For up to 6-cylinder engines; supports wasted spark and batch fire modes for 8-cylinder applications.

• Custom Mapping & Rules: Create programmable logic for fans, boost switches, or safety cutouts directly within RM-Tuner.

• Comprehensive Support & Documentation: Visit the [Primis Help Centre] for guides, pinouts, and setup walkthroughs.

Compatibility Note

The RM Primis Standalone ECU doesn't require the replacement of the original VR CAM sensors, the original CAM sensors are fully compatible.

Why Choose the RM Primis for Your BMW E36 M3 S50B32?

• Precision Control: Unlock the true potential of your S50B32 with fine-tuned fuel, ignition, and VANOS mapping.

• Motorsport-Ready: Designed for track and street applications with robust CAN integration and failsafe protection.

• Easy Plug-and-Play Setup: No wiring modifications required—install and tune with ease.

• Free Tuning Software & Support: RM-Tuner and Primis Help Center included at no extra cost.

• OEM-Level Reliability: Built with automotive-grade components and tested on real S50B32 engines.

Optimize, control, and transform your BMW E36 M3 S50B32 EURO with the RM Primis Standalone ECU — the ultimate plug-and-play solution for motorsport and street performance.