TMS Reflex / Flex Fuel All In One plug and play Kit

Upgrade your fuel system with the TMS Reflex Flex Fuel & Harness Kit a complete plug-and-play solution built for advanced tuning, sensor integration, and full Flex Fuel compatibility. Designed for seamless installation on BMW and Supra B58 and G8X S58 platforms, this kit includes everything needed for a clean, reversible, and sensor-rich setup.

Includes

TMS ReFlex Plug-and-Play Harness
Connects to port injection, ethanol sensor, low pressure fuel sensor, charge pipe, intake CAM, and crank sensor all without cutting or splicing.

CAN + Power Splitter (Gen1 fitment Dependent)
Routes power and CANBus to the ReFlex harness via the Body Domain Controller in the passenger footwell, behind the kick-plate. (for Gen1 Cars)

Plug and Play PTCAN2 Connector near DME (Gen2 / S58 Chassis Dependent)

• 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 Cable Pack
Includes an 8-foot cable that plug directly into ReFlex auxiliary ports (Aux Out 1/2/3, Aux In 4). Ideal for future upgrades such as:

• Methanol injection
• Nitrous
• Additional sensors
• Low Pressure Fuel Pumps

TMS Flex Fuel Kit (with Filter and Ethanol Sensor)
Plug-and-play flex fuel kit replaces the OEM fuel line with a TMS-designed Fuel Line Assembly and Filter. Integrates seamlessly using a content analyzer and ethanol sensor no wire splicing or tapping required. Fully reversible to stock. Also includes a capped off T to split off to a port injection rail.

Motiv ReFlex Plus Controller
Ships blank no preloaded software.

ReFlex Plus Mounting Bracket (chassis dependent may very)
Installs in the access compartment next to the engine bay on the passenger side to secure the ReFlex controller.

Motiv 10 Bar Pressure Sensor
Provides high-resolution fuel pressure data.

Fuel Pressure Sensor Fitting
Adapter fitting for clean, leak-free integration with the TMS harness. Built into the TMS Fuel Lines

Compatible Car Models

B58 GEN 1 Models:

• 2015-2019 BMW 340i (F30 / F31 / F34)
• 2016-2019 BMW 440i (F32 / F33 / F36)
• 2016-2021 BMW M240i (F22 / F23)

B58 GEN 2 Models:

• 2018-Present BMW 340i (G20) (automatic only)
• 2021-Present BMW 240i (G22) (automatic only)
• 2022-Present BMW 440i (G42) (automatic only)
• 2018-Present BMW X3M40i (G01) (automatic only)
• 2020-present Toyota Supra A9X (automatic only)
  

G8X Models:

• 2021-Present BMW M3 (G80) (automatic only)
• 2021-Present BMW M4 Coupe (G82) (automatic only)
• 2021-Present BMW M4 Convertible (G83) (automatic only)
• 2023 BMW M2 (G87) (automatic only)

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