Dorch Engineering BMW N55 Stage 1 and Stage 2 HPFP O-ring
Keep your BMW N55 running at its best with this genuine Dorch Engineering high pressure fuel pump O-ring. Designed specifically for the Dorch Engineering N55 Stage 1 and Stage 2 HPFP upgrade, this replacement O-ring restores a precise seal on the HPFP, helping to maintain proper rail pressure, prevent fuel leaks and support reliable performance on both daily driven and track-focused N55 cars.
Ideal for BMW M2, 135i, M135i, M235i, 335i, 435i, 535i, X1 35i, X3 35i, X4 35i, X5 35i and X6 35i models equipped with the N55 engine, this HPFP O-ring is the simple, low-cost part that protects your N55 fuel system, improves cold starts and prevents misfires caused by a tired or perished seal.
Why choose this N55 HPFP O-ring
- Direct fit replacement seal for Dorch Engineering N55 Stage 1 and Stage 2 HPFP
- Maintains high pressure fuel pump sealing integrity and rail pressure stability
- Helps prevent fuel odour, leaks and pressure drop issues under load
- Perfect preventative maintenance when installing or servicing your HPFP
- Trusted by Nforcd and our customers, proven reliability and excellent feedback
What is included
- 1 x Dorch Engineering HPFP O-ring
Vehicle compatibility
- F87 M2
- F20 and F21 M135i, M135ix
- F22 and F23 M235i, M235ix
- F30, F31 and F34 335i, 335ix
- F32, F33 and F36 435i, 435ix
- F10 and F11 535i, 535ix
- F25 and F26 X3 35ix, X4 35ix
- F15 and F16 X5 35i, 35ix, X6 35i, 35ix
- E82 and E88 135i
- E90, E91, E92 and E93 335i, 335xi
- E84 X1 35ix
- E70 and E71 X5 35i, 35ix, X6 35i, 35ix
Note: If you have an N55 equipped vehicle that is not listed, contact us at sales@nforcd.com for fitment advice.
Installation and fitting
Professional installation is recommended for all high pressure fuel system components. For fitting, speak to our team at Nforcd in Warwickshire. Request a fitting quote at sales@nforcd.com.
Compatibility check before dispatch
We verify compatibility before shipping. Provide your UK registration or the last 7 digits of your VIN at checkout to ensure you receive the correct N55 HPFP O-ring.
Manufacturer and warranty
Manufactured by: Dorch Engineering
Warranty: Dorch Engineering Lifetime Warranty
Common search terms
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