Fuel-It! Electronics

G8X S58 Flex Fuel Kit

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T#:8061332

Part#: S58FLEXFKIT

Ships on Jun 23, 2026

$ 479.00 USD

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This complete flex fuel kit installs in under 30 minutes and reads your exact E85 mixture in the Fuel-It! smartphone app or JB4 app if equipped. Features CNC machined fittings for a quick plug and play installation with nylon sleeved stainless steel braided fuel lines for life long leak free operation. The complete kit includes the following: Genuine Continental ethanol sensor Fuel-It! Bluetooth Universal Analyzer Two stainless steel braided fuel lines with black nylon sheathing to protect your other engine bay components Proprietary custom billet fittings for plug and play OEM integration One wiring harness with Posi-tap connector Supports stand-alone Bluetooth operation with the Fuel-It! app **For the BMW G-series JB4 platform connect the white wire to position #4 on the JB4 25 pin harness. Select WMI page option 2/3/4 input to enable.

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BMW F8X S55 Flex Fuel Kit | Fuel-It!

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T#:21275562

Part#: FFK-S55-STO

Ships on Jun 23, 2026

$ 549.99 USD

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BMW F8X S55 Flex Fuel Kit | Fuel-It! from Turner Motorsport is essential for those running E85 or ethanol blends in their BMW. This comprehensive kit offers a plug-and-play solution for installing a Bluetooth ethanol sensor in your S55-powered vehicle.

Complete Upgrade: Replaces stock fuel lines with -6an E85-compatible lines from the fuel tank to the engine bay.
Advanced Monitoring: Includes an ethanol sensor and Bluetooth analyzer for real-time ethanol content monitoring.
Versatile Compatibility: Supports both Bluetooth App and 5v analog output for integration with JB4 or flash tuning.
Custom Fitment: Options available for stock HPFP setups, port injection kits, or non-Fuel-It! port injection systems.
High-Quality Components: Features BMS custom billet aluminum fittings for a seamless integration without modifications.
Off-Road Use Only: Designed for off-road applications, ensuring high performance for enthusiasts.

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Fuel-It! FLEX FUEL KIT For S58 BMW X3M & X4M - Complete Kit With ...

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T#:15976528

Part#: S58X3MFFK-BTECA

Ships in 3 Business Days

$ 479.99 USD

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$ 479.99 USD

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This is a complete plug-and-play kit to install a Bluetooth ethanol sensor in your X3M or X4M in about 30 minutes. The kit includes the following: New 5/16" E85 compatible fuel lines for your engine bay Genuine Continental ethanol sensor Fuel-It! Bluetooth Universal Analyzer (view E85 mix via Fuel-It! app) OR CANflex ECA (no Fuel-It! app support without the Bluetooth ECA), view E85 mix via JB4 or flash logging) Plug-and-play harness Includes both Bluetooth App & 5v analog output for JB4 or flash tunin This kit is compatible with the following 2020+ BMW X3M / X3M Competition 2020+ BMW X4M / X4M Competition *For the BMW S58 JB4 platform connect the white wire to position #4 on the JB4 25 pin harness. Select WMI page option 2/3 input to enable. *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.

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Fuel-It! Flex Fuel Kit - N20/N26 F Chassis

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T#:21275574

Part#: FFK-N20/6F-FK

In Stock

$ 369.99 USD

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$ 369.99 USD

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This is a complete plug and play kit to install a Bluetooth ethanol sensor in about 30 minutes! The kit includes the following: New 5/16" E85 compatible fuel lines for your engine bay Genuine Continental ethanol sensor Fuel-It! Bluetooth analyzer Plug and play harness Includes both Bluetooth App & 5v analog output for JB4 or flash tuning NOTICE: If you have an N26 motor type, you will need to retrofit the HPFP supply line to part number 13537585415 to be compatible with this kit. *For the BMW F-series JB4 platform connect the white wire to position #14 on the JB4 25 pin harness. Select WMI Ethanol Setup option 1 to enable pin location 14/15/16 flex fuel input. *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.

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Fuel-It! Flex Fuel Kit - N54/N55 E Chassis

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T#:21242695

Part#: FFK-N5XA

In Stock

Sale - Save 4% $ 485.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 464.99 USD

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Sale - Save 4%

$ 485.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 464.99 USD

Add to Wish List

If you are running E85 or ethanol mixes in your BMW, you need this kit! This is a complete plug and play kit to install a Bluetooth ethanol sensor in your E-Chassis BMW. This kit replaces the stock fuel lines from the fuel tank to the engine bay with an upgraded -6an E85 compatible fuel line and adds an ethanol sensor and Bluetooth analyzer to monitor your ethanol content. Includes both Bluetooth App & 5v analog output for JB4 or flash tuning. For your fuel line upgrade, choose the option that supports your current configuration. HPFP to the fuel tank: (Stock) This upgrade replaces both stock fuel lines with one upgraded continuous fuel line from the fuel tank to the HPFP and adds the ethanol sensor. Port Injection to the fuel tank: If you are running our port injection kit, this upgrade replaces the stock fuel lines from the tank to the engine bay, integrates the ethanol sensor and then utilizes a Y adapter to supply the HPFP and PI with fuel. Our custom fittings remove those tee's and extra fittings for a cleaner high flow setup. Non-Fuel-It! port injection to fuel tank: Choose this option if you are running a port injection kit that we did not manufacture or sell. This kit includes a longer 18" feedline from the Y to the port injection rail. You then cut the feed line to the length you need and install the included -6an female fitting or -6an female elbow to make the connection to your port injection rail. All of these kits utilize the BMS custom billet aluminum fittings to integrate with the stock fittings so no modifications are needed. *For the BMW N54 E-series JB4 platform connect the white wire to position #15 on the JB4 25 pin harness. Select WMI Ethanol Setup option 1 to enable pin location 15/16 flex fuel input. *For the BMW N55 E-series JB4 platform connect the white wire to position #16 on the JB4 25 pin harness. Select WMI Ethanol Setup option 1 to enable pin location 15/16 flex fuel input. *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.

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Fuel-It! Flex Fuel Kit - N54/N55 5 Series

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T#:21242701

Part#: FFK-N5XB

In Stock

Sale - Save 4% $ 485.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 464.99 USD

Add to Wish List

Sale - Save 4%

$ 485.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 464.99 USD

Add to Wish List

This is a complete plug and play kit to install a Bluetooth ethanol sensor in your E-Series BMW. (Check compatibility for your platform below) This kit replaces the stock fuel lines from the fuel tank to the engine bay with an upgrade -6an E85 compatible fuel line and adds an ethanol sensor and Bluetooth analyzer to monitor your ethanol content. This kit features a 0-5 volt analog output that integrates with the JB4, analog gauge, or any other ECU or tuner that supports 0-5 volt input. All of these kits utilize a custom billet aluminum fittings to integrate with the stock fittings so no modifications are needed. For your fuel line upgrade, choose the option that supports your current configuration. HPFP to the fuel tank: (Stock) This upgrade replaces both stock fuel lines with one upgraded continuous fuel line from the fuel tank to the HPFP and adds the ethanol sensor. Port Injection to the fuel tank: If you are running our port injection kit, this upgrade replaces the stock fuel lines from the tank to the engine bay, integrates the ethanol sensor and then utilizes a Y adapter to supply the HPFP and PI with fuel. Our custom fittings remove those tee's and extra fittings for a cleaner high flow setup. Non-Fuel-It! port injection to fuel tank: Choose this option if you are running a port injection kit that we did not manufacture or sell. This kit includes a longer 18" feedline from the Y to the port injection rail. You then cut the feed line to the length you need and install the included -6an female fitting or -6an female elbow to make the connection to your port injection rail. *These kits are available for off-road use only *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. *For the BMW N54 E-series JB4 platform connect the white wire to position #15 on the JB4 25 pin harness. Select WMI Ethanol Setup option 1 to enable pin location 15/16 flex fuel input. *For the BMW N55 E-series JB4 platform connect the white wire to position #16 on the JB4 25 pin harness. Select WMI Ethanol Setup option 1 to enable pin location 15/16 flex fuel input. *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.

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Fuel-It! Flex Fuel Kit - G2x/G3x/G4x B58

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T#:21209864

Part#: GB58BFFK

Ships on Jun 23, 2026

$ 479.99 USD

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$ 479.99 USD

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The complete kit with Bluetooth ECA includes the following: Genuine Continental® ethanol sensor Two stainless steel braided fuel lines with black nylon sheathing to protect your other engine bay components Fuel-It! Bluetooth analyzer (iPhone or Android app must be downloaded to use this kit) Plug and play harness Includes both Bluetooth App & 5v analog output for JB4 or flash tuning *For the BMW G-series JB4 platform connect the white wire to position #4 on the JB4 25 pin harness. Select WMI Ethanol Setup option 0 to enable pin location 2/3/4 flex fuel input. *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.

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A90 MKV B58 Supra Fuel-It! Flex Fuel Kit

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T#:21275577

Part#: FFK-B58S-FK

Ships on Jun 23, 2026

$ 479.99 USD

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$ 479.99 USD

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A90 MKV B58 Supra Fuel-It! Flex Fuel Kit is the ultimate upgrade for monitoring and managing your Toyota Supra’s ethanol content in real-time. This complete kit, offered by Turner Motorsport, allows you to know your exact ethanol content through the Fuel-It! or JB4 mobile app on your smartphone or tablet. It’s perfect for those looking to maximize performance by running ethanol blends, providing you with precise data to make informed decisions.

This kit includes everything you need for installation, featuring a genuine Continental® ethanol sensor, stainless steel braided fuel lines with black nylon sheathing, a Fuel-It! Bluetooth analyzer, and a plug-and-play harness. It also supports both Bluetooth App and 5v analog output for JB4 or flash tuning.

Real-Time Monitoring: Instantly view ethanol content on your smartphone or tablet via the Fuel-It! or JB4 app.
Comprehensive Kit: Includes a genuine Continental® ethanol sensor, Fuel-It! Bluetooth analyzer, and more.
Durable Construction: Stainless steel braided fuel lines with black nylon sheathing protect engine bay components.
Plug-and-Play Installation: Simplified installation with a plug-and-play harness.
Bluetooth and Analog Output: Supports both Bluetooth connectivity and 5v analog output for JB4 or flash tuning.
Optimized Performance: Perfect for those looking to maximize power by running ethanol blends.

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Fuel-It! Bluetooth FLEX FUEL KIT For The S63TU 2012-2016 F10 BMW M5 &...

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T#:16840517

Part#: FFKS63TUFXM

Ships on Jun 23, 2026

$ 479.99 USD

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$ 479.99 USD

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Know your exact ethanol content in real-time via the Fuel-it! or JB4 app on your smartphone or tablet. The kit includes the following: Genuine Continental® ethanol sensor Two stainless steel braided fuel lines with black nylon sheathing to protect your other engine bay components Proprietary custom billet fittings for plug and play OEM integration Fuel-It! Bluetooth analyzer (iPhone or Android app must be purchased to use this kit) Plug and play harness Includes both Bluetooth App & 5v analog output for JB4 or flash tuning Bluetooth (iPhone or Android app must be downloaded to use this feature) *For the BMW F-series JB4 platform connect the white wire to position #16 on the JB4 25 pin harness. Select WMI page bit 1 to enable. *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.

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Fuel-It! Bluetooth Flex Fuel Kit - B46/B48/B58

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T#:21209854

Part#: FFK-B464858

Ships on Jun 22, 2026

Starting at $ 479.99 USD

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Starting at $ 479.99 USD

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If you're running E85 or ethanol mixes in your BMW, you need this kit! As many of you know the BMW motors can be very picky about how much ethanol you run to achieve peak performance but not run lean. Consequently, BMS have put together a kit enabling you to easily install an ethanol sensor with no permanent modifications needed. You will simply remove your low pressure fuel line in the engine bay and plug in our kit. It's a complete plug and play solution that utilizes our Bluetooth app to monitor your ethanol content. When you are ready to return to stock, you will simply remove the kit and re-install the stock fuel line. The complete kit includes the following: Genuine Continental ethanol sensor Fuel-It! Bluetooth Universal Analyzer Two stainless steel braided fuel lines with black nylon sheathing to protect your other engine bay components Proprietary custom billet fittings for plug and play OEM integration One wiring harness with Posi-tap connector Bluetooth Model Supports stand-alone Bluetooth operation with the Fuel-It! app *For the JB4 platform connect the white wire to position #4 on the JB4 25 pin harness. Select WMI Ethanol Setup option 0 to enable pin location 2/3/4 flex fuel input. *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.

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Fuel-It! Flex Fuel Kit - B58 G05

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T#:21275576

Part#: FFK-B58X-FK

Ships on Jun 23, 2026

$ 349.99 USD

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$ 349.99 USD

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Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. The complete kit includes the following: Genuine Continental ethanol sensor Fuel-It! Bluetooth Universal Analyzer One stainless steel braided fuel line with black nylon sheathing to protect your other engine bay components Proprietary custom billet fitting for plug and play OEM integration One custom wiring harness 1 tube of SuperLube® for hose adapter install Bluetooth Model Supports stand-alone Bluetooth operation with the Fuel-It! app *For the G-series JB4 platform connect the white wire to position #4 on the JB4 25 pin harness. Select WMI Ethanol Setup option 0 to enable pin location 2/3/4 flex fuel input. *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.

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Fuel-It! Flex Fuel Kit - F-Chassis S55 - Non BMS/FI PI

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T#:21275564

Part#: FFK-S55-NFI

Ships on Jun 23, 2026

$ 609.99 USD

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$ 609.99 USD

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If you are running E85 or ethanol mixes in your BMW, you need this kit! This is a complete plug and play kit to install a Bluetooth ethanol sensor in your S55 BMW. This kit replaces the stock fuel lines from the fuel tank to the engine bay with an upgraded -6an E85 compatible fuel line and adds an ethanol sensor and Bluetooth analyzer to monitor your ethanol content. Includes both Bluetooth App & 5v analog output for JB4 or flash tuning. For your fuel line upgrade, choose the option that supports your current configuration. HPFP to the fuel tank: (Stock) This upgrade replaces both stock fuel lines with one upgraded continuous fuel line from the fuel tank to the HPFP and adds the ethanol sensor. Port Injection to the fuel tank: If you are running our port injection kit, this upgrade replaces the stock fuel lines from the tank to the engine bay, integrates the ethanol sensor and then utilizes a Y adapter to supply the HPFP and PI with fuel. Our custom fittings remove those tee's and extra fittings for a cleaner high flow setup. Non-Fuel-It! port injection to fuel tank: Choose this option if you are running a port injection kit that we did not manufacture or sell. This kit includes a longer 18" feedline from the Y to the port injection rail. You then cut the feed line to the length you need and install the included -6an female fitting or -6an female elbow to make the connection to your port injection rail. All of these kits utilize the BMS custom billet aluminum fittings to integrate with the stock fittings so no modifications are needed. *For the BMW F-series JB4 platform connect the white wire to position #16 on the JB4 25 pin harness. Select WMI Ethanol Setup option 1 to enable pin location 15/16 flex fuel input. *These kits are available for off-road use only *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.

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Fuel-It! Flex Fuel Kit - B58 G29 Z4

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T#:21275568

Part#: FFK-G29Z4-CK

Ships on Jun 23, 2026

$ 479.99 USD

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$ 479.99 USD

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If you are running E85 or ethanol mixes in your BMW, you need this kit! This is a complete plug and play kit to install a Bluetooth ethanol sensor in your B58 powered G29 Z4. This kit replaces the stock fuel lines from the fuel tank to the engine bay with an upgraded -6an E85 compatible fuel line and adds an ethanol sensor and Bluetooth analyzer to monitor your ethanol content. Includes both Bluetooth App & 5v analog output for JB4 or flash tuning. All of these kits utilize the BMS custom billet aluminum fittings to integrate with the stock fittings so no modifications are needed. For the G29 Z4 JB4 platform connect the white wire to position #4 on the JB4 25 pin harness. Select WMI Ethanol Setup option 0 to enable pin location 2/3/4 flex fuel input. *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.

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Fuel-It! Flex Fuel Kit - F-Chassis S55 - BMS/FI PI

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T#:21275563

Part#: FFK-S55-FIP

Ships on Jun 23, 2026

$ 589.99 USD

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$ 589.99 USD

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If you are running E85 or ethanol mixes in your BMW, you need this kit! This is a complete plug and play kit to install a Bluetooth ethanol sensor in your S55 BMW. This kit replaces the stock fuel lines from the fuel tank to the engine bay with an upgraded -6an E85 compatible fuel line and adds an ethanol sensor and Bluetooth analyzer to monitor your ethanol content. Includes both Bluetooth App & 5v analog output for JB4 or flash tuning. For your fuel line upgrade, choose the option that supports your current configuration. HPFP to the fuel tank: (Stock) This upgrade replaces both stock fuel lines with one upgraded continuous fuel line from the fuel tank to the HPFP and adds the ethanol sensor. Port Injection to the fuel tank: If you are running our port injection kit, this upgrade replaces the stock fuel lines from the tank to the engine bay, integrates the ethanol sensor and then utilizes a Y adapter to supply the HPFP and PI with fuel. Our custom fittings remove those tee's and extra fittings for a cleaner high flow setup. Non-Fuel-It! port injection to fuel tank: Choose this option if you are running a port injection kit that we did not manufacture or sell. This kit includes a longer 18" feedline from the Y to the port injection rail. You then cut the feed line to the length you need and install the included -6an female fitting or -6an female elbow to make the connection to your port injection rail. All of these kits utilize the BMS custom billet aluminum fittings to integrate with the stock fittings so no modifications are needed. *For the BMW F-series JB4 platform connect the white wire to position #16 on the JB4 25 pin harness. Select WMI Ethanol Setup option 1 to enable pin location 15/16 flex fuel input. *These kits are available for off-road use only *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.

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G8X S58 Flex Fuel Kit

BMW F8X S55 Flex Fuel Kit | Fuel-It!

Fuel-It! FLEX FUEL KIT For S58 BMW X3M & X4M - Complete Kit With ...

Fuel-It! Flex Fuel Kit - N20/N26 F Chassis

Fuel-It! Flex Fuel Kit - N54/N55 E Chassis

Fuel-It! Flex Fuel Kit - N54/N55 5 Series

Fuel-It! Flex Fuel Kit - G2x/G3x/G4x B58

A90 MKV B58 Supra Fuel-It! Flex Fuel Kit

Fuel-It! Bluetooth FLEX FUEL KIT For The S63TU 2012-2016 F10 BMW M5 &...

Fuel-It! Bluetooth Flex Fuel Kit - B46/B48/B58

Fuel-It! Flex Fuel Kit - B58 G05

Fuel-It! Flex Fuel Kit - F-Chassis S55 - Non BMS/FI PI

Fuel-It! Flex Fuel Kit - B58 G29 Z4

Fuel-It! Flex Fuel Kit - F-Chassis S55 - BMS/FI PI

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