BMW Fuel System Parts for BMW F97 X3 M S58 3.0L

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Looking for a BMW fuel pump, BMW gas cap or other BMW fuel system related items? You've found the right place. Your BMW fuel delivery system is a critical system, and any failure can rended your BMW dead in the water. Whether your fuel pump has stopped pumping, a fuel injector is clogged or not spraying, or your gas cap is either lost or not properly sealing, we likely have what you are looking for. We stock thousands of BMW fuel system parts so if you don't see what you are looking for, just give us a call.

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BMW B46 B48 B58 Ethanol Content Sensor

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T#:29500150

Part#: 100.1037

In Stock

$ 96.99

This product was last offered at the strikethrough price on
04-17-2026

$ 94.99 USD

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$ 94.99 USD

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BMW B46 B48 B58 Ethanol Content Sensor is a genuine Continental (VDO) Flex Fuel E85 sensor designed to accurately measure the ethanol-to-gasoline ratio in your vehicle's fuel system.

Accurate Measurement: Measures the ethanol content in fuel, providing precise data for optimal engine performance and fuel management.
Flexible Compatibility: Works with a blend of ethanol and gasoline, suitable for vehicles with appropriate fuel lines, injectors, and ECU calibration.
Quick-Connect Installation: Features quick-connect style fuel connections for easy installation in the main fuel feed line.
Integrated Fuel Analysis: All fuel passes through the sensor before reaching the fuel rail, allowing for accurate ethanol percentage readings sent to the vehicle's DME or ECU.
Standard Fittings: Both inlet and outlet connections are 3/8" SAE sized fittings for straightforward integration with existing fuel systems.

This ethanol content sensor is essential for vehicles running flex fuel, ensuring that the engine receives the correct ethanol ratio for peak performance and efficiency.

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

T#:15976528

Part#: S58X3MFFK-BTECA

Ships in 2 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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BM3 FlexFuel Kit - Fuel Hat Location - F97/F98 X3M X4M Pre-LCI ...

For Pre-LCI vehicles only

T#:31390587

Part#: BM3FFKTFH

In Stock

$ 599.00 USD

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$ 599.00 USD

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BM3 is proud to bring out this truly awesome product that makes getting the required Flex Fuel hardware on your BMW with incredible ease and minimal effort, in your own driveway. BM3's kit is entirely plug-and-play with the factory vehicle harness. No cutting or splicing of OEM wiring/connectors. It installs in minutes and can be removed without a trace on the car! BM3's team used SolidWorks to design a Flow Optimized Flex Fuel Sensor Adapter (FFSA) to ensure fuel flow is unobstructed and with no added pressure drop at full fuel pump flow from the fuel tank to your motor when our kit is installed. This is important when pushing the factory fuel system with all the power Ethanol can provide over petrol! Flex fuel sensor housing is designed to neatly install into the factory BMW fuel hat location. Flex Fuel Sensor Adapter also contains two 1/8 NPT ports that allow installation of an auxiliary Fuel Pressure sensor for vehicles that don’t come with an OEM one from the factory for future use. Depending on fitment, either port can be used. Install the BM3 Flex Fuel Plug and Play Kit and flash your flex fuel enabled BM3 OTS MultiMap or Custom Map in minutes and you’re off to the races never worrying about alcohol/petrol blend % in your fuel tank. It does not get better or easier than this! BM3 FlexFuel Plug and Play Kit: Minutes to install at home as opposed to hours at a shop with car up on lift fabricating/cutting into factory fuel lines and splicing/cutting/pinning into OEM electrical 4+ hours in time/cost savings to get going on Flex Fuel as compared to most other kits that require making custom fuel lines, fittings and custom wiring! Fully reversible/removable and back to stock without a trace in minutes Custom 3-piece Aluminum-6061 Flex Fuel sensor adapter with built-in sensor bypass to allow for obstruction free fuel flow made to fit in the vehicle factory fuel hat area below the rear seat All connecting points sealed with fuel safe Viton o-rings Flex Fuel Sensor Adapter housing provides additional 1/8 NPT ports for optional Fuel Pressure sensor addition to vehicles without a factory one for BM3 CustomROM v2 support CANBUS Enabled Ethanol Content Analyzer (ECA) that integrates with BM3 CustomROM for complete and seamless conversion of your BMW to FlexFuel for BM3 Flex Fuel enabled OTS MultiMaps and custom tunes with your BM3 tuner of choice Power/CANBus 4-wire plug and play harness 100% Fully Plug and Play harness to the BMW Fuel Controller connectors (EKP3) on S55, N55 vehicles 100% Fully Plug and Play harness on the BMW Body Domain Controller (BDC/FEM) connector on Gen1 F-series B48/B58 Continental Flex Fuel sensor 3-wire harness Custom Aluminum-6061 CANBus Enclosure for the BM3 ECA board Custom, kink-free teflon braided line allowing plug-and-play installation with the OEM fuel hat and factory 5/16” or 3/8” fuel feed line. No cutting or new lines required. -6 AN fitting by Racetronix NOTE: OEM FUEL HAT LOCATION KIT IS INTENDED FOR OEM FUEL PUMP AND ASSOCIATED WIRING. ANY VARIATIONS TO FUEL LINES OR FUEL PUMPS MAY NOT BE COMPATIBLE. USE THE ENGINE BAY INSTALLATION KIT WHERE AVAILABLE INSTEAD.

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