Electronics for BMW 3 Series G20 (2019+)

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BMW fuel system electronics are crucial for the precise operation of your vehicleaEURtms fuel delivery system, optimizing fuel efficiency, and ensuring engine performance. These sophisticated components control essential functions such as fuel injection, fuel pump operation, and sensor data to manage fuel flow, maintain the correct air-fuel mixture, and improve emission control. BMW vehicles may also be equipped with flex fuel systems that adjust the air-fuel ratio depending on the type of fuel being used, allowing for better adaptability to E85 or other ethanol blends. Additionally, fuel pump control modules play a key role in regulating fuel pressure and ensuring the pump operates at optimal levels. Common issues with fuel system electronics include malfunctioning sensors, failing fuel injectors, and damaged fuel pumps or fuel pump control modules, leading to poor fuel economy, engine misfires, or stalling. Solutions to these problems include replacing faulty sensors, upgrading to high-quality fuel injectors, and ensuring the fuel pump control module is functioning correctly. By investing in premium components and performing regular maintenance, these issues can be minimized, extending the lifespan of the fuel system while ensuring peak performance.
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BMW B46 B48 B58 Ethanol Content Sensor
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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VDO - Corporate Logo
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
Free Shipping on orders $49 and up
$ 94.99 USD
Free Shipping on orders $49 and up

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 - G2x/G3x/G4x B58
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fuel-It! - Corporate Logo
T#:21209864
Part#: GB58BFFK
Ships on Jul 27, 2026
$ 479.99 USD
Free Shipping on orders $49 and up
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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