
Dorch Engineering BMW N55 Stage 1 and Stage 2 HPFP Old Style Harness - Plug and Play Adapter
Upgrade your BMW N55 fuel system the right way with the Dorch Engineering N55 Stage 1 and Stage 2 HPFP Old Style Harness. This plug and play adapter harness is designed for cars manufactured before 2014 and makes installing a Dorch Engineering Stage 1 or Stage 2 High Pressure Fuel Pump simple and reliable. If you are searching for BMW N55 HPFP harness, N55 HPFP adapter, N55 fuel pump wiring harness, Dorch Engineering HPFP harness, or old style N55 harness for M2, 135i, M135i, M235i, 335i and 435i, this is the exact part you need.
We have fitted these harnesses ourselves and our customers have been delighted with the quality, fitment and trouble-free performance. Expect an easy plug and play solution with OE-grade connectors, perfect for your N55 HPFP upgrade without hassle.
Who is this for
This old style harness adapter is for BMW N55 vehicles built before 2014 that are upgrading to a Dorch Engineering Stage 1 or Stage 2 High Pressure Fuel Pump. If your car was manufactured towards the end of 2013 or the beginning of 2014, please contact us first so we can double-check compatibility before you order.
Key features and SEO-friendly highlights
- BMW N55 HPFP plug and play adapter harness for Stage 1 and Stage 2 fuel pumps
- Old style harness for pre-2014 N55 vehicles
- Direct-fit wiring loom for Dorch Engineering N55 HPFP upgrade
- Ideal for BMW M2, 135i, M135i, M235i, 335i, 435i and more N55 models
- OE-quality connectors and robust construction
- Perfect solution for N55 high pressure fuel pump upgrade searches
What’s included
- Plug and Play Adapter Harness
Compatibility
- F87 - M2
- F20/F21 - M135i, M135ix
- F22/F23 - M235i, M235ix
- F30/F31/F34 - 335i, 335ix
- F32/F33/F36 - 435i, 435ix
- F10/F11 - 535i, 535ix
- F25/F26 - X3/X4 35ix *
- F15/F16 - X5/X6 35i and 35ix
- E82/E88 - 135i *
- E90/E91/E92/E93 - 335i and 335xi *
- E84 - X1 35ix *
- E70/E71 - X5/X6 35i and 35ix *
* ONLY 2013+ models with OE Bosch HPFP
Please Note: Kit not compatible with 2011-2012 N55 vehicles.
This harness adapter is for cars manufactured before 2014. If your vehicle is late 2013 or early 2014, contact us and we will verify the correct harness prior to ordering.
If you have an N55 equipped vehicle that is not listed, please email sales@nforcd.com for fitment information.
Fitting and support
Professional installation available at Nforcd in Warwickshire. Request a fitting quote at sales@nforcd.com and our team will be happy to help.
Compatibility check before dispatch
For peace of mind, we run a compatibility check prior to dispatch. Provide your UK registration number or the last 7 digits of your VIN at checkout and we will confirm fitment.
Part number
DE-55-1001-Harness
Manufacturer and warranty
Manufactured by: Dorch Engineering
Warranty: Dorch Engineering Lifetime Warranty
Common search terms
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