Motiv ReFlex+ Control Unit
Ships from the brand or distributor, usually in 3–7 business days
Make sure this fits your car
Fits: Universal: for B58 and S58 fuel and port-injection builds
- Free US shipping over $250
- 30-day returns on unused parts
- Fitment help before you buy
The ReFlex+ Control Unit is an advanced integration module for performance vehicle tuning and auxiliary component control. The ReFlex+ was designed to run in a variety of configurations from standalone tuning to full CAN Bus integration , the ReFlex+ offers unparalleled precision, flexibility, and performance. This ensures fuel is injected at the optimal moment for maximum efficiency, power, and reliability. But it doesn’t stop there—the ReFlex+ is a complete IO control hub designed for performance-driven applications. Versatile Inputs & Outputs With multiple patented technologies, the ReFlex+ is more than just an auxiliary injector controller. It offers advanced features typically found in high-end ECUs—at a fraction of the price. The ReFlex+ is equipped with a range of inputs and outputs to support flex fuel tuning, boost control, sensor monitoring, and more .
Fits: Universal: for B58 and S58 fuel and port-injection builds
Brand: Motiv
Universal: for B58 and S58 fuel and port-injection builds
| Model | Chassis | Years | Engine | Fits |
|---|---|---|---|---|
| M140i | F20/F21 | 2016–2019 | Gen 1 B58 | |
| M240i | F22/F23 | 2016–2021 | Gen 1 B58 | |
| 340i | F30/F31/F34 | 2016–2019 | Gen 1 B58 | |
| 440i | F32/F33/F36 | 2017–2020 | Gen 1 B58 | |
| 540i | G30/G31 | 2017–2019 | Gen 1 B58 | |
| 740i | G11/G12 | 2016–2019 | Gen 1 B58 | |
| X3 M40i | G01 | 2018–2019 | Gen 1 B58 | |
| M340i | G20/G21 | 2019+ | Gen 2 B58 (TU) | |
| M440i | G22/G23/G26 | 2021+ | Gen 2 B58 (TU) | |
| M240i | G42 | 2022+ | Gen 2 B58 (TU) | |
| Z4 M40i | G29 | 2019+ | Gen 2 B58 (TU) | |
| GR Supra 3.0 | A90/A91 | 2020+ | Gen 2 B58 (TU) | |
| 540i | G30/G31 | 2020–2023 | Gen 2 B58 (TU) | |
| 740i | G11/G12 | 2020–2022 | Gen 2 B58 (TU) | |
| X3 M40i | G01 | 2020+ | Gen 2 B58 (TU) | |
| M3 | G80/G81 | 2021+ | S58 (BMW M) | |
| M4 | G82/G83 | 2021+ | S58 (BMW M) | |
| M2 | G87 | 2023+ | S58 (BMW M) | |
| X3 M | F97 | 2020–2024 | S58 (BMW M) | |
| X4 M | F98 | 2020–2025 | S58 (BMW M) |
Not sure? Email sales@b58racing.com with your VIN.
- Ships from the brand or distributor, usually in 3–7 business days.
- Free US shipping on orders over $250.
- Unused parts can be returned within 30 days. Some items are marked no-refund in their description.
Full details are on our shipping and returns page.
Pairs well with
P3 Gauge - BMW X3 / X4 G01/G02/F97
Motiv ReFlex+ 0-10 Bar Pressure Sensor
P3 Gauge - BMW G2X / G42 / G8X (M240i, M340i, M440i, M2, M3, M4)
