• COBB Flex Fuel Upgrade Kit | Audi A3/S3 (15-20) VW Golf GTI (15-21)/Golf R (15-19)/Jetta GLI (19-21) (3V2650)
  • COBB Flex Fuel Upgrade Kit | Audi A3/S3 (15-20) VW Golf GTI (15-21)/Golf R (15-19)/Jetta GLI (19-21) (3V2650)
  • COBB Flex Fuel Upgrade Kit | Audi A3/S3 (15-20) VW Golf GTI (15-21)/Golf R (15-19)/Jetta GLI (19-21) (3V2650)
  • COBB Flex Fuel Upgrade Kit | Audi A3/S3 (15-20) VW Golf GTI (15-21)/Golf R (15-19)/Jetta GLI (19-21) (3V2650)
  • COBB Flex Fuel Upgrade Kit | Audi A3/S3 (15-20) VW Golf GTI (15-21)/Golf R (15-19)/Jetta GLI (19-21) (3V2650)
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COBB Flex Fuel Upgrade Kit | Audi A3/S3 (15-20) VW Golf GTI (15-21)/Golf R (15-19)/Jetta GLI (19-21) (3V2650)

COBB Flex Fuel Upgrade Kit | Audi A3/S3 (15-20) VW Golf GTI (15-21)/Golf R (15-19)/Jetta GLI (19-21) (3V2650)

3V2650

In stock

$245.00 USD
$245.00 USD $245.00 USD
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The COBB Flex Fuel Upgrade Kit is a precision-engineered solution designed to enable Flex Fuel capability in select VW and Audi models. This kit includes an ethanol content sensor with a custom bracket, a bespoke wiring harness, a fuse tap harness, quick connect fuel fittings, and an ECU pin locator tool to facilitate installation. Its primary function is to measure the ethanol content in the fuel and relay this data to the vehicle’s ECU, allowing for dynamic Flex Fuel calibration. Constructed with high-quality components, the kit ensures reliable performance and seamless integration with the vehicle’s existing systems, enhancing fuel flexibility without compromising engine management or drivability.

This upgrade kit is compatible with 2015–2020 Audi A3 and S3 models, 2015–2021 Volkswagen Golf GTI, 2015–2019 Volkswagen Golf R, and 2019–2021 Volkswagen Jetta GLI vehicles. It is designed as a bolt-on solution that works with the factory ECU, making it suitable for street and performance driving where ethanol fuel blends are used. Installation involves connecting the sensor and wiring harness to the fuel system and ECU, with included hardware simplifying the process. This kit is ideal for enthusiasts seeking to optimize fuel options and performance through flexible ethanol content management.

Overview

COBB Flex Fuel Upgrade Kit

Fitment: 2015-2020 Audi A3 / S3, 2015-2021 Volkswagen Golf GTI, 2015-2019 Volkswagen Golf R, 2019-2021 Volkswagen Jetta GLI

Part #: 3V2650

Overview

The COBB Flex Fuel Upgrade Kit is designed to enable Flex Fuel capability on select VW and Audi models by accurately measuring ethanol content in your fuel. This system communicates real-time ethanol levels to your vehicle’s ECU, allowing it to adjust fuel and ignition parameters accordingly for optimized performance and efficiency. Ideal for enthusiasts looking to run ethanol blends such as E85, this upgrade supports flexible fueling without the need for a standalone flex fuel ECU.

By integrating seamlessly with your existing ECU, the kit simplifies the process of adding Flex Fuel functionality, making it accessible for drivers who want to take advantage of alternative fuels. The primary benefits include enhanced fuel adaptability, improved tuning flexibility, and the convenience of ethanol content monitoring, all contributing to a more versatile and responsive driving experience.

Key Features

This upgrade kit includes all necessary components to facilitate Flex Fuel operation on compatible VW and Audi vehicles:

  • Ethanol content sensor with a custom mounting bracket for precise fuel mixture measurement
  • Dedicated wiring harness engineered for reliable communication with the ECU
  • Fuse tap harness for straightforward electrical integration without splicing
  • Quick connect fuel fittings to ensure secure and leak-free installation
  • ECU pin locator template to assist with accurate and efficient wiring connections

Installation & Fitment

The COBB Flex Fuel Upgrade Kit is designed for direct compatibility with specified Audi and Volkswagen models, but fitment should be verified against your vehicle’s details and the part number. Installation involves mounting the ethanol sensor in the fuel line, connecting the wiring harness to the ECU, and integrating the fuse tap harness into the vehicle’s electrical system. The included ECU pin locator template aids in identifying the correct ECU pins, streamlining the installation process for professional or experienced DIY installers.

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