Precision Raceworks BMW N54/N55 Port Injection Fuel Line for Top Mount Fuel Rail, E85 Compatible -6AN, HPFP Quick Connect, Plug & Play (Fits 135i 335i 435i 535i 640i 740i M135i M235i M2 Z4 35i)

Unlock dependable fuel delivery for your N54 or N55 turbo build with this Precision Raceworks port injection line designed for top-feed rails. Built for serious performance and ethanol blends, it delivers a tidy, direct-fit solution to supply your port injection rail without cutting or guesswork. We have fitted this line on customer cars at MJ Modifications in Warwickshire and the fit, finish and reliability are exactly what you want on a hard-driven road or track car.

High-flow PI line for N54 and N55 builds

This line routes cleanly from the vehicle’s factory fuel feed to the high-pressure pump connection and out to your top-mounted port injection rail. It is ideal for aftermarket intake manifolds using a top-feed rail, including options from Black Market Parts, BKC, Burger Motorsports, Sharp Custom, Doc Race and similar. If you are searching for an ethanol-safe PI hose for N54 or N55, a direct-fit AN-6 rail feed, or a quick-disconnect fuel line for high power setups, this is the proven choice.

Why enthusiasts choose it

• Direct-fit quick-disconnects to the factory feed and the high-pressure fuel pump for a clean install
• Feeds top-mounted port injection rails on popular aftermarket manifolds for N54 and N55 engines
• CNC-machined 6061 aluminium ends, anodised for durability and ethanol protection
• Two-stage sealing at the quick-connect interfaces for leak-resistant performance
• Aeroquip Socketless -6AN hose widely trusted for E85 and high-demand applications

Technical details

• Hose: Aeroquip Socketless
• Size: AN-6
• Connections: OEM-style quick-disconnect at the factory feed and high-pressure pump
• Rail end: AN6 flare female
• Weight: 0.35 lbs
• Fuel compatibility: Petrol and ethanol blends including E85

Vehicle coverage

For BMW models running N54 or N55 engines with a top-feed port injection rail and aftermarket manifold. Common applications include:

• 1 Series: 135i E8x N54, 135i E8x N55, 135is, 1M E82, M135i F2x
• 2 Series: M235i F2x, M2 F87
• 3 Series: 335i E9x N54 and N55, 335i F3x including xDrive, ActiveHybrid 3
• 4 Series: 435i F3x
• 5 Series: 535i E6x, 535i F10 including xDrive, GT F07, ActiveHybrid 5
• 6 Series: 640i F06 F12 F13
• 7 Series: 740i and 740Li F01 F02 N54 and N55, ActiveHybrid 7
• Z4: sDrive35i and 35is E89
• X Models: X1 E84, X3 35i F25 N55, X4 35i F26, X5 35i E70 and F15, X6 35i E71 and F16, X6 M E71

If you are upgrading an N54 or N55 with a port injection rail and need a clean, ethanol-ready line to the top-feed rail, this is the kit enthusiasts search for when looking up N54 PI line, N55 port injection hose, AN6 PI feed, ethanol-safe fuel hose, quick-connect fuel line for PI rails and top-mount manifold fuel plumbing.

Our experience

We have installed this on multiple customer builds and it simply works. The quick-disconnects latch positively, the line routes neatly, and it remains stable under demanding conditions on ethanol mixes. Customers consistently comment on the quality and leak-free performance.

Installation and support

Professional fitting available at MJ Modifications in Warwickshire. Request an installation quote: info@mjmodifications.co.uk.

Need a fitment check? Email us your UK registration or the last 7 of your VIN and we will verify compatibility before dispatch.

Part number

501-0048

Manufacturer

Precision Raceworks

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