Fuel-It Flex Fuel Kit for Audi RS 2.5L Gen 3 (MK3 8V) -- Bluetooth & 5V
If you're running E85 or ethanol mixes in your Audi, you need this kit!

This is a complete plug and play kit to install a Bluetooth ethanol sensor in your Audi 2.5T in about 15 minutes. (Check compatibility for your platform below)
The kit includes the following:
- New 5/16" E85 compatible fuel lines for your engine bay
- Genuine Continental ethanol sensor
- Fuel-It! Bluetooth analyzer
- 5/16" quick connect fitting
- Oetiker crimp clamps to secure your new fuel lines
- Includes both Bluetooth App & 5v analog output for JB4 or flash tuning
- BluetoothĀ (iPhone or Android app must be purchased to use this feature)
- If you are using an Apple product the app can beĀ found by clicking here
- If you are using an Andriod product the app can beĀ found by clicking here
This kit is compatible with the following
- Audi TT RS MK3 8V (2017+)
- Audi RS3 MK3 8V (2017+)
*If you aren't sure whether this kit fits your car, send us a picture of your engine bay with the engine cover removed to [email protected]
*Link to larger images of install pictures...click here
*Ethanol Sensors don't actually read the ethanol content, the readings are based on the absence of gasoline, so if your fuel is contaminated your ethanol readings may be artificially elevated.
Ā 
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Fuel-It Flex Fuel Kit for Audi RS 2.5L Gen 3 (MK3 8V) -- Bluetooth & 5V
Fuel-It Flex Fuel Kit for Audi RS 2.5L Gen 3 (MK3 8V) -- Bluetooth & 5V
If you're running E85 or ethanol mixes in your Audi, you need this kit!

This is a complete plug and play kit to install a Bluetooth ethanol sensor in your Audi 2.5T in about 15 minutes. (Check compatibility for your platform below)
The kit includes the following:
- New 5/16" E85 compatible fuel lines for your engine bay
- Genuine Continental ethanol sensor
- Fuel-It! Bluetooth analyzer
- 5/16" quick connect fitting
- Oetiker crimp clamps to secure your new fuel lines
- Includes both Bluetooth App & 5v analog output for JB4 or flash tuning
- BluetoothĀ (iPhone or Android app must be purchased to use this feature)
- If you are using an Apple product the app can beĀ found by clicking here
- If you are using an Andriod product the app can beĀ found by clicking here
This kit is compatible with the following
- Audi TT RS MK3 8V (2017+)
- Audi RS3 MK3 8V (2017+)
*If you aren't sure whether this kit fits your car, send us a picture of your engine bay with the engine cover removed to [email protected]
*Link to larger images of install pictures...click here
*Ethanol Sensors don't actually read the ethanol content, the readings are based on the absence of gasoline, so if your fuel is contaminated your ethanol readings may be artificially elevated.
Ā 
PRODUCT VIDEO
Like us on Facebook @ https://www.facebook.com/fuelit.biz/
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
If you're running E85 or ethanol mixes in your Audi, you need this kit!

This is a complete plug and play kit to install a Bluetooth ethanol sensor in your Audi 2.5T in about 15 minutes. (Check compatibility for your platform below)
The kit includes the following:
- New 5/16" E85 compatible fuel lines for your engine bay
- Genuine Continental ethanol sensor
- Fuel-It! Bluetooth analyzer
- 5/16" quick connect fitting
- Oetiker crimp clamps to secure your new fuel lines
- Includes both Bluetooth App & 5v analog output for JB4 or flash tuning
- BluetoothĀ (iPhone or Android app must be purchased to use this feature)
- If you are using an Apple product the app can beĀ found by clicking here
- If you are using an Andriod product the app can beĀ found by clicking here
This kit is compatible with the following
- Audi TT RS MK3 8V (2017+)
- Audi RS3 MK3 8V (2017+)
*If you aren't sure whether this kit fits your car, send us a picture of your engine bay with the engine cover removed to [email protected]
*Link to larger images of install pictures...click here
*Ethanol Sensors don't actually read the ethanol content, the readings are based on the absence of gasoline, so if your fuel is contaminated your ethanol readings may be artificially elevated.
Ā 
PRODUCT VIDEO
Like us on Facebook @ https://www.facebook.com/fuelit.biz/

























