ReFlex+ Advanced I/O Integration | BMW S55

The ReFlex+ Advanced I/O Integration module is engineered for BMW S55 owners who want complete control over their performance builds. More than just an auxiliary injector controller, the ReFlex+ brings high-end ECU features to your S55 at a fraction of the cost. Whether running standalone tuning or fully integrated with CAN Bus platforms, the ReFlex+ provides unmatched flexibility, precision, and reliability. Perfect for sequential port injection, flex fuel tuning, boost control, methanol injection, nitrous management, and other performance-driven applications. Key Features: Standalone or CAN Bus Integration: Works seamlessly with MHD, EcuTek, BM3, MG Flasher, or any CAN-enabled tuning platform. Sequential Port Injection: True sequential fueling for up to 8 injectors, optimizing efficiency, power, and engine reliability compared to traditional batch-fire setups. Advanced Inputs & Outputs: 4 analog inputs (0-5V, 4-20mA) 2 frequency inputs (up to 20kHz) Dedicated flex fuel sensor input for real-time ethanol monitoring MAP, cam, and crank sensor support 4 low-side auxiliary outputs for meth, nitrous, boost, or pumps 12V switched outputs for additional components OEM-Level Integration: Fully compatible with factory ECU flash tuning, including MHD and EcuTek. TunerPro RT Configurable: Supports universal or vehicle-specific setups for complete control of all inputs and outputs. For S55 owners pushing the limits on street, track, or high-boost builds, the ReFlex+ gives full control over fuel, sensors, and performance components—all while keeping your engine safe and reliable. Kit Includes: ReFlex+ Control Unit ReFlex Main Injector Harness – Inline-6 ReFlex Install Harness – Flying Lead 0-10 Bar Pressure Sensor Ethanol Content Sensor Plug-n-Play Ethanol Sensor Harness