B58 to B58TU HPFP Wiring Harness Extension for BMW and Toyota Supra A90
Upgrade your BMW B58 with the higher flowing B58TU high pressure fuel pump from the Z4 M40i or Toyota GR Supra A90 with this plug and play HPFP wiring harness extension. Designed for an easy, clean retrofit, this loom allows you to fit the B58TU HPFP without cutting or splicing your factory wiring. It is the simple, reliable solution enthusiasts choose when increasing fuel system headroom for tuning, ethanol blends and Stage 2 to Stage 2 Plus calibrations.
Why choose this HPFP wiring extension
- Plug and play retrofit for B58 to B58TU HPFP conversion
- No cutting, no splicing, fully reversible install
- Ideal when fitting the Z4 M40i or Supra A90 B58TU high pressure fuel pump to original B58 engines
- Popular upgrade for 340i, 440i, M340i, M440i, Z4 M40i and GR Supra A90 owners
We have installed this harness on our own builds and customer cars, and feedback has been excellent on fit and function. If you are retrofitting the B58TU HPFP to your B58, this wiring harness extension is the right tool for the job.
Compatibility
Engine
- BMW B58 upgrading to B58TU HPFP
BMW 3 Series
- F30 LCI 3 Series 340i, 340ix (10/2014 - 10/2018)
- F31 LCI 3 Series Touring 340i, 340ix (10/2014 - 06/2019)
- F34 GT LCI 340i, 340ix (09/2015 - 12/2019)
- G20 3 Series M340i, M340ix (01/2018 - 12/2019)
- G21 3 Series Touring M340ix (05/2018 - 12/2019)
BMW 4 Series
- F32 440i, 440ix (04/2015 - 02/2017)
- F32 LCI 440i, 440ix (05/2016 - 12/2019)
- F33 440i, 440ix (03/2015 - 02/2017)
- F33 LCI 440i, 440ix (05/2016 - 12/2019)
- F36 Gran Coupé 440i, 440ix (03/2015 - 02/2017)
- F36 Gran Coupé LCI 440i, 440ix (05/2016 - 12/2019)
- G22 M440ix (07/2020)
BMW Z Series
- G29 Z4 M40i (2018 - 2020)
Toyota
- Toyota GR Supra A90 6-cylinder (2018 - 2020)
Fitting and support
Professional installation recommended. For expert fitting, choose Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
What is included
- HPFP wiring harness extension for B58 to B58TU conversion
Note: wiring harness extension only. High pressure fuel pump is not included.
Optimised for enthusiasts and tuners
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Buy with confidence from Nforcd
Trusted by UK enthusiasts, tested on our own projects and loved by customers for straightforward installation and dependable performance. If you are searching for BMW B58 HPFP adapter, B58TU HPFP wiring harness, Supra A90 HPFP harness or Z4 M40i fuel pump wiring, this is the plug and play solution you need.