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