TMS - Reflex+ Race Harness for BMW Gen 2 B58 / S58

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)

(Optional) Motiv 10-Bar Fuel Pressure Sensor + Fitting

• Plug-and-play connection to TMS harness

Compatible Car Models:

• 2020-present Toyota Supra™ A9X

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