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The JDY Performance MOTIV ReFlex+ Plug & Play Harness Kit is engineered to provide a clean, professional-grade ReFlex integration solution for BMW S58 and B58 platforms for additional port injection control .

Designed with true motorsport standards in mind, this harness system utilizes high-end materials, Mil-Spec race harness construction methods, and OEM-style plug & play integration to deliver reliability in both street and race applications.

This kit allows seamless ReFlex installation without cutting, modifying, or damaging the factory vehicle harness.

Key Features

Mil-Spec Motorsport Construction

• All wiring utilizes Teflon-coated tin-plated wire for superior heat resistance, durability, and chemical protection
• Manufactured using Mil-Spec race harness standards commonly found in professional motorsport applications
• Designed for long-term reliability under high heat and vibration conditions

Premium Motorsport Connectors

• All connectors utilize genuine TE Connectivity DTM series connectors
• Every connector includes yellow identification labeling for simplified installation and serviceability

True Plug & Play Design

• No cutting, splicing, or modification required
• Direct plug & play installation
• OEM-style integration for a clean engine bay appearance

ReFlex Official Wiring Layout

• All circuits and reserved connectors are designed based on the official MOTIV ReFlex wiring schematic
• Minor wire color differences may exist depending on production revisions
• Reserved connectors allow future expansion and customization

Expandable System Design

• Reserved connectors can be customized by the customer based on vehicle requirements
• Additional custom sub-harnesses may require DIY wiring integration
• JDY Performance plans to release additional plug-in sub-harness options based on market demand and customer feedback

Available Variants

Base Kit

Includes:

• MOTIV ReFlex+ Control Module
• Plug & Play Main Harness
• Injector Harness
• ReFlex Mounting Bracket
• Installation Hardware & Zip Ties
• 0-10 Bar Fuel pressure sensor 

Optional Add-Ons

Users can configure the kit with the following optional harnesses and accessories:

Ethanol Sensor Harness

• DTM 3-Pin Ethanol Sensor Harness

MAC Valve Harness

• DTM 2-Pin MAC Solenoid Harness
• Includes matching 2-Pin male connector for MAC valve integration

Installation PNP harness

• Power harness 
• Crankshaft sensor harness
• Camshaft sensor harness
• MAP sensor harness 

Multiple options can be selected together depending on the vehicle setup and tuning requirements.

Included Components

ReFlex Mounting Bracket

• Metal construction
• Black powder-coated finish
• Certain applications may require supplied anti-vibration foam tape in specific mounting areas
• Some vehicle applications may have different bracket compatibility depending on chassis layout

Main Injector Harness

• Designed for inline 6-cylinder engines
• Compatible with EV6 / USCAR injector connectors
• Intended for manifold port injection systems

USCAR is an automotive connector standard widely used across the industry, standardizing mechanical and electrical specifications for injectors and sensors.

Installation PNP harness

• Direct integration with vehicle and ReFlex system
• No modification required

Optional Auxiliary Harnesses

• DTM 3-Pin Ethanol Sensor Harness
• DTM 2-Pin MAC Valve Harness
• Fuel Pressure Sensor Harness

BMW M Models

• BMW M3 G80 2020–2024
• BMW M3 Touring G81 2022–2024
• BMW M4 G82 2020–2024
• BMW M4 Convertible G83 2021–2024
• BMW M2 G87 2023–2024 
• BMW X3M F97 2019–2024 
• BMW X4M F98 2019–2024 

BMW 2 Series

• BMW M240i G42 2022–2024 (B58 TU1)

BMW 3 & 4 Series

• BMW M340i G20/G28 2019–2024 
• BMW M440i G22/G23/G26 2020–2024

Toyota

• Toyota GR Supra A90/A91 3.0 2019–2024 

Vehicle Fitment & Requirements

• BMW M3 (G80) — 2021–2024; S58
• BMW M3 (G81); S58
• BMW M4 (G82) — 2021–2024; S58
• BMW M4 (G83) — 2021–2024; S58
• BMW M2 (G87) — 2023–2024; S58
• BMW X3 M (F97) — 2020–2024; S58
• BMW X4 M (F98) — 2020–2024; S58
• BMW 2 Series (G42) — 2022–2024; B58
• BMW 3 Series (G20) — 2020–2024; B58
• BMW 4 Series (G22 / G23 / G26) — 2021–2024; B58
• Toyota GR Supra (A90 / A91 / J29) — 2020–2024; B58

JDY lists applications through 2024. Match B58 TU1/S58 engine, injector connectors and selected optional harnesses. Verify bracket fit for the exact chassis.

Year ranges shown use the US vehicle database where available. Global production dates and engine changes may differ; check the stated engine and equipment requirements.