Spool Handheld Ethanol Content Analyzer
Ships from the brand or distributor, usually in 3–7 business days
Make sure this fits your car
Fits: Universal: for B58 and S58 fuel and port-injection builds
- Free US shipping over $250
- 30-day returns on unused parts
- Fitment help before you buy
The Spool Performance Handheld Ethanol Content Analyzer is a must-have tool for anyone who wants precise control over their fuel quality. Instant Ethanol Readings: Quickly measure ethanol content in fuel directly at the pump. Easy to Use: Simply drip a small amount of fuel into the handheld device for a live readout. Real-Time Data: Content is displayed instantly on the Spool Ethanol Analyzer app (compatible with Android and iOS). Portable & Compact: Take it with you wherever you go for on-the-spot fuel analysis. Optimize Performance: Ensure your fuel mix is correct for peak engine performance and protection. Reliable & Accurate: Provides accurate readings to help you avoid potential fuel-related issues. User-Friendly: No technical expertise required – just drip and check! NOTE: Testing of denatured fuels can skew handheld reading.
Fits: Universal: for B58 and S58 fuel and port-injection builds
Brand: Spool Performance
Universal: for B58 and S58 fuel and port-injection builds
| Model | Chassis | Years | Engine | Fits |
|---|---|---|---|---|
| M140i | F20/F21 | 2016–2019 | Gen 1 B58 | |
| M240i | F22/F23 | 2016–2021 | Gen 1 B58 | |
| 340i | F30/F31/F34 | 2016–2019 | Gen 1 B58 | |
| 440i | F32/F33/F36 | 2017–2020 | Gen 1 B58 | |
| 540i | G30/G31 | 2017–2019 | Gen 1 B58 | |
| 740i | G11/G12 | 2016–2019 | Gen 1 B58 | |
| X3 M40i | G01 | 2018–2019 | Gen 1 B58 | |
| M340i | G20/G21 | 2019+ | Gen 2 B58 (TU) | |
| M440i | G22/G23/G26 | 2021+ | Gen 2 B58 (TU) | |
| M240i | G42 | 2022+ | Gen 2 B58 (TU) | |
| Z4 M40i | G29 | 2019+ | Gen 2 B58 (TU) | |
| GR Supra 3.0 | A90/A91 | 2020+ | Gen 2 B58 (TU) | |
| 540i | G30/G31 | 2020–2023 | Gen 2 B58 (TU) | |
| 740i | G11/G12 | 2020–2022 | Gen 2 B58 (TU) | |
| X3 M40i | G01 | 2020+ | Gen 2 B58 (TU) | |
| M3 | G80/G81 | 2021+ | S58 (BMW M) | |
| M4 | G82/G83 | 2021+ | S58 (BMW M) | |
| M2 | G87 | 2023+ | S58 (BMW M) | |
| X3 M | F97 | 2020–2024 | S58 (BMW M) | |
| X4 M | F98 | 2020–2025 | S58 (BMW M) |
Not sure? Email sales@b58racing.com with your VIN.
- Ships from the brand or distributor, usually in 3–7 business days.
- Free US shipping on orders over $250.
- Unused parts can be returned within 30 days. Some items are marked no-refund in their description.
Full details are on our shipping and returns page.
Pairs well with
Spool Wireless Ethanol Analyzer Kit - F97 X3 M / F98 X4 M
Spool B58/S58 Plug and Play Ethanol Sensor Harness
Spool Wireless Ethanol Analyzer Kit - G80 M3 / G82 M4
