Precision Raceworks MOTIV Re|Flex+ Port Injection Controller - BMW 4-8 Cyl | Flex Fuel Ethanol | CANbus | Sequential PI | Boost/Meth/Nitrous PWM | TunerPro Compatible

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Precision Raceworks MOTIV Re|Flex+ Port Injection Integration Module

Unlock precision control, reliable power and clean integration with the MOTIV Re|Flex+ by Precision Raceworks. This advanced I/O integration module delivers truly accurate supplementary sequential port injection while giving you flexible control of auxiliary systems through configurable inputs, outputs and optional CANbus integration. Perfect for modern BMW tuning and universal performance builds across 4, 5, 6 and 8 cylinder engines, the Re|Flex+ is engineered for serious enthusiasts who want consistent fuel delivery, flex fuel capability, robust safety and data, plus room to grow.

We run the Re|Flex+ on our own cars and our customers love it for its stable idle, smooth drivability and rock-solid power under load. If you are looking for a BMW port injection controller, auxiliary injector controller, flex fuel controller, ethanol content analyser integration, boost control, methanol or nitrous PWM control, the Precision Raceworks MOTIV Re|Flex+ is the go-to performance module for reliable gains and future-proof tuning.

Why choose the Re|Flex+ for your BMW or performance build

Accurate supplementary sequential port injection with individual injector failure sensing on 4 to 8 cylinder engines
Optional CANbus integration to pass data in parallel to the factory DME or ECU for safety, adaptive tuning and logging
Built-in ethanol content analyser with ethanol compensation tables for true flex fuel tuning using real-time sensor input
Two additional configurable outputs with 12x12 control tables in TunerPro R/T, set as on or off, digital, frequency 25 Hz, or PID
Two sensor inputs for data like ethanol content, fuel pressure 0 to 10 bar, oil pressure 0 to 10 bar, coolant pressure 0 to 10 bar, EGBP or EMAP 0 to 10 bar
Preset crank and cam triggers for most modern BMW engines, plus fully configurable trigger support
3 point MAP sensor calibration to work with most MAP or TMAP sensors
Standalone or parallel operation alongside the factory DME or ECU for maximum flexibility

What you can control with the Re|Flex+

Boost control WGDC output for external boost control solenoids
Methanol solenoid control PWM for valves such as Aquamist FAV and ProMeth Pulse Valve
Nitrous solenoid control PWM
Auxiliary fuel pump relay trigger

These features make the Re|Flex+ one of the most powerful and safest supplementary and auxiliary controllers on the market. As flash platforms evolve, the Re|Flex+ can be updated by the end user, so your setup can expand without replacing hardware.

Notes on ethanol sensor integration

Running a Bluetooth ethanol content analyser already. Use the Re|Flex Plug-n-Play Ethanol Sensor Breakout Harness to keep your existing analyser operating in parallel with the Re|Flex+.

CANbus integration

The Re|Flex+ can transmit and receive digital signals for fully integrated control of external modifications. You can also pass data and errors to and from the factory ECU to add safeguards, trips and fail-safes while keeping OBDII logging fully functional. Development highlights include error reporting to and from the ECU, outputting WGDC by converting an EWG signal to a conventional DC output for standard 3 port and 4 port boost solenoids, and the ability to log non-factory parameters like ethanol content, additional pressures and PI injector duty cycle.

Note: CanBUS integration is not available on N54 platforms.

Specifications

Weight: 2.0 lbs
Tuning software: TunerPro
Controller material: Injection moulded plastic
Dimensions: 4.5 in x 3 in x 1.5 in
Programming connection: Micro USB cable not included available here
Standalone or parallel operation with factory DME or ECU

Installation and fitting

For professional fitting, mapping support and a seamless install experience, choose Nforcd in Warwickshire. Email Sales@nforcd.com to request a fitting quote or to discuss your build goals.

Wiring, installation and instructions are available here: installation and downloads.

Warranty and registration

Compatibility

Configurable to operate on 4, 5, 6 and 8 cylinder engines
Preset crank and cam triggers for most modern BMW engines
CanBUS integration not available on N54 platforms

Compatibility check

We run a compatibility check prior to dispatch to ensure correct fitment. Provide your UK registration number or the last 7 of your VIN at checkout.