BMW Fuel System Parts for BMW F85 X5 M S63 4.4L

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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 Motiv ReFlex Plug-n-Play Ethanol Sensor Harness

For Vehicles With Motiv ReFlex Unit Currently Installed Only

T#:22723690

Part#: 101-0212

In Stock

$ 49.00 USD

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$ 49.00 USD

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BMW B46 B48 Motiv ReFlex Plug-n-Play Ethanol Sensor Harness simplifies the integration of an ethanol content sensor into your BMW's Re|Flex system. This harness is designed to enhance your vehicle's performance by scaling the sequential port injection based on real-time ethanol content, eliminating the need for manual adjustments. Key benefits include:

Effortless Installation: Plug-n-play design makes it easy to connect an ethanol content sensor without extensive modifications.
Real-Time Adjustments: Allows for automatic scaling of port injection based on real-time ethanol content, optimizing engine performance.
Seamless Integration: For CANbus integrated vehicles, it facilitates integration with the factory DME/ECU (pending feature release by tuning platforms).
No Manual Flashes Required: Removes the need for ground disconnection or map switching on your port injection controller.

Please note that the ethanol sensor is not included with this harness.

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Bav Auto Fuel Injector Seal Installer & Remover - N54/N63

T#:580445

Part#: B8800140

In Stock

Sale - Save 3% $ 121.99

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

$ 118.33 USD

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Sale - Save 3%

$ 121.99

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

$ 118.33 USD

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This is has been specifically designed to remove and install the seals on your fuel injectors without damaging either the seals or injectors themselves.

3/8" Quick Disconnect Adapter With 1/8" NPT Port

T#:29500156

Part#: 200.1105

In Stock

$ 24.00 USD

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$ 24.00 USD

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Quick disconnect adapters (QDA) are commonly used to adapt different components into vehicle fuel systems without requiring permanent modification. These adaptersÂ are machined from high-grade aluminum and anodized for corrosion resistance. QDAs incorporate VitonÂ© o-rings which are compatible with most types of fuel, solvents and oils. QDAs maintain a reliable leak-proof seal under normal fuel injection system operating pressures. This particular QDA is sized perfectly to adapt right between the fuel line you were going to connect to your ethanol sensor. 3/8" (9.5mm) female quick disconnect 3/8" (9.5mm) male quick disconnect 1/8" Female pipe thread port * Viton© o-rings Crecent-lock system E-85 compatible Black anodized aluminum

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ReFlex+ Install Harness - Flying Lead

T#:29201083

Part#: 900.1016

In Stock

$ 95.00 USD

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$ 95.00 USD

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A flying lead harness is a wiring harness that is unterminated at one end and has an excess length of wire so that installation can be customized by the end user. That makes this section of the ReFlex+ Install Harness truly universal. On one end, this harness has an 8-pin connector to plug into any one of our ReFlex+ Main Injector Harnesses. The other end of each wire is unterminated and will be connected to the appropriate sensor, ground, or power supply based on installation instructions. Each harness has a wire for: Switched +12v Input w/ inline fuse +5v Input Ground Can HI Can Lo Cam Sensor Signal Crank Sensor Signal Map Sensor Signal

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Bav Auto High Pressure Fuel Pressure Sensor - BMW N54 N63 S63 ...

T#:639835

Part#: 13537537319

In Stock

Sale - Save 15% $ 76.99

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

$ 65.44 USD

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Qty

Sale - Save 15%

$ 76.99

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

$ 65.44 USD

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Located at the rear of the high-pressure fuel rail, this pressure sensor relays fuel pressure information to the vehicle's DME/ECS and is a common source of fault codes. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Replacement FX-170 For BMW S63

T#:36913380

Part#: SP-FX-S63-FX170

Special Order: No Guaranteed ETA

$ 1,399.99 USD

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$ 1,399.99 USD

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ReFlex Lite Injector Harness - V8

T#:29234314

Part#: 900.1014

Ships in 4 Business Days

$ 295.00 USD

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$ 295.00 USD

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Required when installing a Motiv ReFlex Lite to your V8 powered BMW! Includes x8 injector leads and direct, plug-in adapter to the ReFlex Lite Control Unit!

Precision Raceworks Fuel Line Check Valve - AN6 Male To AN6 Male ...

UNIVERSAL FITMENT - Intended for use with fuel lines featuring AN6 connectors, modifica...

T#:47679251

Part#: 201-0200

Ships in 9 Business Days

$ 52.99 USD

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$ 52.99 USD

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The Precision Raceworks AN6 Male Check Valve is the ultimate solution to ensure optimal fuel system performance. Designed to prevent fuel from draining from your lines, this check valve is the perfect addition to your high-performance fuel system. Constructed from premium billet aluminum, featuring an anodized finish and Viton O-rings, this check valve is built to withstand the rigors of high-performance applications and E85. The piston-style design, with a spring to keep the piston in place, ensures that no fuel will drain from your lines, maintaining consistent fuel pressure and preventing unwanted fuel loss.

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Spool Performance Gen2 S63 IFX350 Injectors - Set of 8

T#:29500088

Part#: SP-INJ-S63IFX350

Special Order: No Guaranteed ETA

$ 2,399.00 USD

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$ 2,399.00 USD

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Spool Performance introduces the IFX 350, an upgraded DI injector specifically designed for the Gen2 S63 platform. Engineered for enthusiasts who demand both power and OEM-level reliability, the IFX 350 injectors excel in maintaining smooth engine idle and low-load performance while providing unmatched power potential. Features:

Enhanced Flow Rate: Boosts fuel flow by 40% compared to stock injectors. Superior Fuel Delivery: Consistent performance at pressures up to 390 bar. Maintained OEM Functionality: Retains stock-like idle and low-load performance, ensuring full Bosch CVO correction capability. Backed by rigorous development and testing, the IFX 350 injectors are the ultimate solution for those aiming for four-digit horsepower figures while preserving engine reliability and smoothness.

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BMW Fuel System Parts for BMW F85 X5 M S63 4.4L

Sub-Categories

BMW B46 B48 Motiv ReFlex Plug-n-Play Ethanol Sensor Harness

Bav Auto Fuel Injector Seal Installer & Remover - N54/N63

3/8" Quick Disconnect Adapter With 1/8" NPT Port

ReFlex+ Install Harness - Flying Lead

Bav Auto High Pressure Fuel Pressure Sensor - BMW N54 N63 S63 ...

Replacement FX-170 For BMW S63

ReFlex Lite Injector Harness - V8

Precision Raceworks Fuel Line Check Valve - AN6 Male To AN6 Male ...

Spool Performance Gen2 S63 IFX350 Injectors - Set of 8

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