BMW Fuel System Parts for BMW F80 M3 S55 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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Nostrum Stage 2 DI Injectors - S55/N55
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Nostrum - Corporate Logo
T#:9609825
Part#: H703-1257
Special Order: No Guaranteed ETA
$ 1,799.00 USD
Free Shipping on orders $49 and up
The Stage 2 Injectors from Nostrum performance are an absolute must-have for those building big power N55 or S55 vehicles. While there are other injection methods out there - this is the OE upgrade we've all been looking for. These upgraded injectors are a seamless integration and provide the ability to deliver 55% more fuel than stock injectors.
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BMW F8X S55 Flex Fuel Kit | Fuel-It!
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Fuel-It! - Corporate Logo
T#:21275562
Part#: FFK-S55-STO
Ships on Jul 28, 2026
$ 549.99 USD
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$ 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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Nostrum Twin Standard Bore High Pressure Fuel Pump Kit - S55 ...
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Nostrum - Corporate Logo
T#:9609824
Part#: H086-0865
Ships in 1-2 days
$ 3,499.00 USD
Free Shipping on orders $49 and up
Flowing 36% more fuel than stock, the Nostrum HPFP’s will provide you with more fuel earlier in the rpm range. This allows you to dial in more boost down low, allowing for more low end torque, reach your peak power sooner, and hold that peak power for longer. The Nostrum HPFP kit requires no permanent modifications, allowing you to revert your vehicle to stock in the future!
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Nostrum Stage 3 DI Injectors - N55 S55 F-Chassis
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Nostrum - Corporate Logo
T#:26771703
Part#: H750-1605
Back Ordered
$ 2,199.00 USD
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WHP potential on Gasoline: 1000 WHP* (Calculated assuming 24 MPa fuel pressure and 328 g/(kW/hr) WHP potential on E85: 730 WHP* (Calculated assuming 24 MPa fuel pressure and 328 g/(kW/hr) Flow Rate: 20.2 g/s @ 100 bar Flow rate increase over Stock:85% Max Operating Pressure: 250bar / 25MPa / 3625psi Tune required?: Yes Recommended Tuning Suite: Ecutek & Bootmod3
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Nostrum - 3.0L BMW S55 Stage 2 Bundle
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Nostrum - Corporate Logo
T#:42604941
Part#: H186-1281
Ships in 1 Business Day
$ 5,519.00 USD
Free Shipping on orders $49 and up
Flowing 36% more fuel than the stock pump, the twin Nostrum HPFP’s will provide you with more fuel throughout the rev range. This allows you to dial in more boost down low, allowing for more low end torque, reach your peak power sooner, and hold that peak power for longer.
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Fuel-It! Flex Fuel Kit - F-Chassis S55 - Non BMS/FI PI
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fuel-It! - Corporate Logo
T#:21275564
Part#: FFK-S55-NFI
Ships on Jul 28, 2026
$ 609.99 USD
Free Shipping on orders $49 and up
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! Elite Port Injection Kit With 950cc Injectors & Fuel Line ...
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Fuel-It! - Corporate Logo
T#:26038542
Part#: BMW-EPI-950
Ships on Jul 28, 2026
$ 1,188.00 USD
Free Shipping on orders $49 and up

This kit is designed to enhance performance by adding six supplemental low-pressure fuel injectors, capable of supporting 1000+ WHP on E85 and similar high-performance fuels.

Crafted with precision, the manifold spacers are CNC machined and anodized to ensure durability and prolonged service life. Each kit comes complete with all necessary installation hardware, a gasket set, and a plug-and-play fuel line adapter for seamless integration.

The Elite kit stands out with its sleek black anodized finish and includes an additional return port, an upgraded fuel line, and enhanced machining to accommodate a wider range of applications, including the BMW S55 engine.

A port injection controller is not included. This is required for a complete installation.

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Fuel-It! Port Injection Kit - S55 F-Series
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Fuel-It! - Corporate Logo
T#:403365
Part#: FIEPIK6
Ships on Jul 28, 2026
Starting at $ 1,688.99 USD
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Starting at $ 1,688.99 USD
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Fuel-it has developed a port injection kit for your S55 that will provide you with the additional fueling capacity that you need to be able to run up to 100% E85 on stock or upgraded turbos.

Fuel-It! Flex Fuel Kit - F-Chassis S55 - BMS/FI PI
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fuel-It! - Corporate Logo
T#:21275563
Part#: FFK-S55-FIP
Ships on Jul 28, 2026
$ 589.99 USD
Free Shipping on orders $49 and up
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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Nostrum Flex Fuel Sensor Kit - F Chassis
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Nostrum - Corporate Logo
T#:9674477
Part#: L081-1109
Back Ordered
$ 267.00 USD
Free Shipping on orders $49 and up
The sensor reads the percentage of ethanol coming from your fuel tank and reports it to the content analyzer of your choice. The kit includes a sensor pre-mounted on a bracket designed to fit your vehicle, as well as adapter lines to adapt the sensor to the factory fuel lines.
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