TMS ReFlex™ Race Harness BMW™
Unlock the full potential of your Motiv ReFlex+ with the TMSReFlex™ Plug-and-Play Harness – Race Version. Designed with zero compromises, this premium aftermarket harness delivers seamless integration, full I/O functionality, and motorsport-grade reliability for your high-performance build.
Includes
TMS ReFlex™ Plug-and-Play Race Harness
- Connects directly to the transmission plug near the DME
- Full access to all ReFlex+ I/O
- Sealed, heat-rated, and abrasion-resistant components
- Completely bench-tested and fused (10A)
Auxiliary I/O Cable Pack
Pre-wired I/O ports for future upgrades like:
- Nitrous
- Meth injection
- Boost control solenoids
- Fuel pressure
- Fluid level sensors
- And more
ReFlex Mounting Bracket
Installs in driver’s side brake booster area
(Optional) Motiv ReFlex+ Controller
- Advanced standalone controller for port injection and I/O
- Built-in Flex Fuel logic (requires tune) – no external analyzer needed
- Full CANBus integration via PT CAN 2 (ECUTek & MHD+ compatible)
Includes
TMS ReFlex™ Plug-and-Play Race Harness
- Connects directly to the transmission plug near the DME
- Full access to all ReFlex+ I/O
- Sealed, heat-rated, and abrasion-resistant components
- Completely bench-tested and fused (10A)
Auxiliary I/O Cable Pack
Pre-wired I/O ports for future upgrades like:
- Nitrous
- Meth injection
- Boost control solenoids
- Fuel pressure
- Fluid level sensors
- And more
(Optional) Motiv ReFlex+ Controller
- Advanced standalone controller for port injection and I/O
- Built-in Flex Fuel logic (requires tune) – no external analyzer needed
- Full CANBus integration via PT CAN 2 (ECUTek & MHD+ compatible)
(Optional) Motiv 10-Bar Fuel Pressure Sensor + Fitting
- Plug-and-play connection to TMS harness
ReFlex Mounting Bracket
Installs in driver’s side brake booster area
Compatible Car Models
B58 GEN 2 Models:
- 2020+ BMW™ M340i (G20)
- 2021+ BMW™ 240i (G22)
- 2022+ BMW™ 440i (G42)
- 2018+ BMW™ X3M40i (G01)
G8X Models:
- 2021+ BMW™ M3 (G80)
- 2021+ BMW™ M4 Coupe (G82)
- 2021+ BMW™ M4 Convertible (G83)
- 2023 BMW™ M2 (G87)
- 2019+ BMW™ X3M
Click HERE for more information on these kits.
Pickup available at Shop location
Usually ready in 24 hours
Product information
These commodities, technology, or software were exported from the United States in accordance with the Export Administration Regulations. Diversion contrary to U.S. law is prohibited.
KEY FEATURES
100% Plug-and-Play
Fast, Clean Install
Race-Grade Material
Comprehensive Sensor Support
Built for Full ReFlex+ Functionality
THE TMS COMMUNITY
Installs From Our Community
"THE STANDARD"
At TMS, "The Standard" isn’t just a benchmark — it’s our obsession. We engineer and design every product to exceed expectations in quality, performance, and aesthetics. While the aftermarket industry is filled with cheaply made, mass-produced parts that cut corners, we take a different approach. Our commitment to precision engineering ensures flawless fitment, durability, and peak performance, while our design philosophy blends function with a sleek, OEM+ aesthetic. Every component we create is built for enthusiasts who demand the best — no compromises, no second-guessing, just pure, high-performance innovation. Welcome to "The Standard" — where excellence is the only option.
CAR MODIFICATION
Your build is a reflection of your vision. At TMS, we design parts that enhance your vehicle’s aesthetics while maintaining a clean, OEM+ look. Whether you’re aiming for aggressive styling or a refined upgrade, our components ensure your mod stands out.
QUALITY/TESTING
Performance starts with quality. Every part undergoes rigorous testing to ensure durability, reliability, & peak functionality. We don’t cut corners; our materials, engineering, & manufacturing processes are held to the highest industry standards.
PERFORMANCE
In performance, every component plays a role. TMS parts are engineered for those who demand max power, efficiency, & responsiveness. Whether it’s improved fuel ratio or enhanced tuning our products help you unlock your car’s true potential.
