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Peugeot Citroën Delphi BSI Replacement & Virgin Service


Turnaround: 1 – 3 days

Price range: £175.00 through £375.00

Peugeot Citroën BSI Replacement & Virgin Service (EI4 /EI5 /EL3 /EL4 /EL5 /FI5 /FL5)

Pelican Diagnostics UK offers a professional PSA Delphi BSI Virgin Reset & Replacement Service for Delphi BSI EI4, EI5, EL3, EL4, EL5, FI5 & FL5 units used in the latest Peugeot and Citroën vehicles (and also fitted to some Vauxhall models).

This service factory resets (virginises) your BSI so it can be programmed again to a vehicle. Once reset, the BSI will require programming back to the car — preferably using Diagbox online (or equivalent dealer-level online programming).

  • Service Type: Delphi BSI Virgin / Factory Reset (EL3 / EL4 / EL5)
  • Brands Covered: Peugeot, Citroën, and some Vauxhall models
  • Turnaround: 24–48 hours after receipt
  • Important: Reset BSI requires programming back to vehicle (preferably Diagbox online)
  • Contact: 📧 contact@pelicandiagnostics.uk | 📱 WhatsApp +44 7518 431998

What is a Delphi BSI Virgin Service?

The BSI (Built-in Systems Interface) is the central body control module that stores vehicle identity and configuration data. On newer PSA vehicles, Delphi BSI EI4, EI5, EL3, EL4, EL5, FI5 and FL5 units may need to be virginised (factory reset) when replacing modules, correcting configuration issues, or preparing a used BSI for reprogramming.

Our Delphi BSI Virgin Service resets your unit back to a state where it can be programmed to a vehicle again. The BSI is returned ready for online programming, ideally using Diagbox online to write the correct vehicle configuration.

Service Options

1) Customer-Supplied BSI Virginisation (Factory Reset)

Send us your Delphi BSI (EI4/EI5/EL3/EL4/EL5/FI5/FL5) and we will virginise it. You will receive your reset BSI back ready for programming to your car.

Turnaround: 24–48 hours after receipt.

2) Supply of Virginised BSI (Please choose your part number from the drop-down)

We can also supply a virginised Delphi BSI ready for programming. if your part number isn’t listed, please contact us with your BSI part number so we can confirm the availability of a compatible unit

3) Some supported part numbers: 

Delphi BSI Part Numbers

9819854780 HWD5 SW4.04 EI5
9819851280 HWD5 SW4.04 EL3
9819851380 HWD5 SW4.04 EL4
9819855080 HWD5 SW4.04 FL3
9819855180 HWD5 SW4.04 FL5
9819855580 HWD5 SW3.25 FI5
9819855580 HWD5 SW4.04 FI5
9822746280 HWD6 SW4.05 EL5
9830707680 HWD6 SW6.05 EL3
9830707780 HWD6 SW6.05 EL4
9830707880 HWD6 SW6.05 EL5
9830708180 HWD6 SW6.05 EI4
9830790580 HWD6 SW6.05 EL3
9830805680 HWD6 SW6.05 EL5
9830813080 HWD6 SW6.05 EL3
9832880280 HWD7 SW7.09 EL3
9832880380 HWD7 SW7.09 EL4
9832880680 HWD7 SW7.10 EL5
9832881080 HWD7 SW7.09 EI4
9832881380 HWD7 SW7.10 EI5
9845141280 HWD7 SW7.11 EL3
9846483280 HWD7 SW7.51 EL4
9855665280 HWCS SW9.07 EL3

How to Order (Factory Reset Service)

  1. Remove your Delphi BSI (EI4/EI5/EL3/EL4/EL5/FI5/FL5) from the vehicle if it’s installed already.
  2. Package it securely and include your contact details and a note saying: “Delphi BSI Virgin Service”.
  3. Send it to:
    Pelican Diagnostics
    Padley Farm, Drove Lane
    Sleaford, NG34 8JQ
  4. We factory reset the BSI and return it within 24–48 hours of receipt.
  5. Program the BSI back to the car using Diagbox online (recommended) or equivalent dealer-level online tools.

Contact Pelican Diagnostics UK


FAQs – PSA Delphi BSI Virgin Service (EI4/EI5/EL3/EL4/EL5/FI5/FL5)

Which BSI types does this service cover?

This service covers Delphi BSI EI4, EI5, EL3, EL4, EL5, FI5 and FL5 used in newer Peugeot and Citroën vehicles, and some Vauxhall models that share PSA platforms.

What does “Virginising” a BSI mean?

Virginising means returning the BSI to a factory-reset state so it can be programmed again to a vehicle.

Will the reset BSI be plug-and-play?

No. A virginised (factory reset) BSI must be programmed back to the vehicle. We recommend Diagbox online or equivalent online dealer-level programming.

How long does the service take?

Turnaround is typically 24–48 hours after we receive your BSI.

Can you supply a virginised Delphi BSI?

Yes. We can supply a virginised Delphi BSI ready for programming. Please select your BSI part number from the drop down & add it your basket.

Do you need the vehicle or only the BSI module?

For the factory reset service we only require the BSI module. Diagbox online programming will be needed to configure the BSI and reprogram the keys afterwards.

We also offer an ECU replacement service for the PSA 1.5HDI engines. please see the link below:

Peugeot MD1CS003 ECU Replacement Service.

Ready to order?

How to Place an order in 8 easy steps: 1. Choose the service required and add to your cart 2. Go to your Cart and click on checkout 3. Login to your account or enter your billing and shipping details. 4. Fill in the order notes, to send us any info about your repair (Optional) 5. Choose your payment option & complete checkout: Card, Bank Transfer, Clearpay or Gpay. 6. Print out your order confirmation & include in the parcel. 7. Remove Faulty Module from the vehicle, package and post to: Pelican Diagnostics Padley farm Drove lane Sleaford NG34 8JQ 8. We will repair your module and post back as quickly as possible. Alternatively: Option 1: You can package your module and post to the address above, including your contact details and faults requiring repair. Once repaired, we will send you an invoice to pay by Card or Bank Transfer. Option 2: Arrange an appointment to bring or drop off your module and once repaired we will contact you to arrange collection and payment.

Service Required

Virgin (Factory Reset), Replacement 9819854780, Replacement 9819851280, Replacement 9819851380, Replacement 9819855080, Replacement 9819855180, Replacement 9819855580, Replacement 9822746280, Replacement 9830707680, Replacement 9830707780, Replacement 9830707880, Replacement 9830708180, Replacement 9830790580, Replacement 9830805680, Replacement 9830813080, Replacement 9832880280, Replacement 9832880380, Replacement 9832880680, Replacement 9832881080, Replacement 9832881380, Replacement 9845141280, Replacement 9846483280, Replacement 9855665280, Replacement 9819855580 (SW4.04)

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