This Unitronic Ethanol Sensor Hardware Kit is a direct plug and play ethanol monitoring solution for MQB and MQB EVO4 vehicles when paired with a P3 V3 Multifunction Gauge. Comprised of a genuine Continental Ethanol Content Sensor and P3 Ethanol Content Voltage Adapter with fuel line fittings and clamps, this kit allows you to quickly monitor ethanol % and fuel temperature. Features: Reads ethanol content % and fuel temperature Easy install between ethanol sensor and gauge Hardware Included: Continental Ethanol Content Sensor Wiring harness (approx. 8 inches in length) P3 Ethanol Content Voltage Adapter High-quality fuel lines and clamps Fitment/Applications: 2022+ VW Mk8 GTI, Golf R 2015- 2021 VW Mk7, Mk7.5 Golf, GTI, Golf R 2019+ VW Mk7 GLI 2019+ VW Arteon 2022+ Audi 8Y A3, S3, RS3 2015-2020 Audi 8V A3, S3, RS3 2015-2023 Audi 8S TT, TTS, TTRS Please note that you must have a P3 gauge and appropriate E85 software installed in order to use this sensor kit. If you need assistance finding out whether this kit fits your vehicle or needs, please contact us.