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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
Mounts in the driver-side brake booster area. Compatible with G8X engine platforms.
Compatible Car Models
B58 GEN 2 Models (automatic only):
- 2020+ BMW™ M340i (G20)
- 2021+ BMW™ 240i (G22)
- 2022+ BMW™ 440i (G42)
- 2018+ BMW™ X3M40i (G01)
G8X Models (automatic only):
- 2021+ BMW™ M3 (G80)
- 2021+ BMW™ M4 Coupe (G82)
- 2021+ BMW™ M4 Convertible (G83)
- 2023 BMW™ M2 (G87)
- 2019+ BMW™ X3M
Note: For a manual transmission BMW™ we recommend our TMS ReFlex™ Harness BMW™
Click HERE for more information on these kits.
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.
