Precision Racewerks - -6 AN Fuel Line || F3X/F2X

Precision Raceworks F-Series AN6 Fuel Line Upgrade (F3X / F2X)

High-Flow, E85-Compliant Direct Replacement Line for High Performance Builds

Take your fueling system to the next level with the Precision Raceworks AN6 Fuel Line Upgrade — designed specifically for BMW F-Series chassis (F30, F32, F22, etc.). This plug-and-play replacement connects directly from the fuel filter (passenger side) to the high-pressure fuel pump, eliminating restrictions and supporting high horsepower builds — especially those running E85 or ethanol blends.

This is a true motorsport-grade solution, featuring smooth bore PTFE hose, dual-seal aluminum fittings, and optional flex-fuel sensor compatibility — giving you both performance and peace of mind.

✅ Key Features:

• Direct OEM Replacement – Installs from fuel filter to HPFP with no cutting or modification

• -6AN Fuel Line Size (½”) – Supports higher fuel flow for high horsepower builds

• 100% E85 Compatible – PTFE smooth bore line + anodized aluminum fittings = full ethanol resistance

• Dual Seal OEM Quick Connectors – Primary and secondary sealing for leak-free operation

• Triple-Layer Construction

  • PTFE inner lining

  • Stainless steel braid for strength

  • Outer nylon braid to protect painted or plastic surfaces

• Built-In Flex Fuel Sensor Integration – Includes an ethanol spacer if you're not running a sensor yet

📦 What's Included:

• AN6 PTFE fuel line with dual-seal OEM connectors

• Integrated flex fuel sensor connection point

• Optional ethanol content spacer (for builds without a sensor)

• Full install instructions available online

⚙️ Specifications:

• Fuel Hose Type: PTFE Smooth Bore

• Line Size: -6AN (½")

• Connector Material: CNC-Machined 6061 Aluminum (Anodized)

• Connection Style: OEM Quick Connect

• Flex Fuel Sensor Compatible: Yes

🚗 Fitment:

• BMW 320i (2014–2018)

• BMW 328i / 328i xDrive (2012–2015)

• BMW 335i (2012–2015)

• BMW 340i (2016–2019)

• BMW 428i (2014–2016)

• BMW 435i (2014–2016)

• BMW 440i (2016)

• BMW M3 (2015–2020)

• BMW M4 (2015–2019)