JB4 Plug and Play Piggyback ECU Tuning Box for Volvo S50 S60 S90 T5/T6 Turbo 2014+ Beta Application
JB4 Plug and Play Piggyback ECU Tuning Box for Volvo S50 S60 S90 T5/T6 Turbo 2014+ Beta Application
JB4 Plug and Play Piggyback ECU Tuning Box for Volvo S50 S60 S90 T5/T6 Turbo 2014+ Beta Application
JB4 Plug and Play Piggyback ECU Tuning Box for Volvo S50 S60 S90 T5/T6 Turbo 2014+ Beta Application
JB4 Plug and Play Piggyback ECU Tuning Box for Volvo S50 S60 S90 T5/T6 Turbo 2014+ Beta Application
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  • Load image into Gallery viewer, JB4 Plug and Play Piggyback ECU Tuning Box for Volvo S50 S60 S90 T5/T6 Turbo 2014+ Beta Application
  • Load image into Gallery viewer, JB4 Plug and Play Piggyback ECU Tuning Box for Volvo S50 S60 S90 T5/T6 Turbo 2014+ Beta Application
  • Load image into Gallery viewer, JB4 Plug and Play Piggyback ECU Tuning Box for Volvo S50 S60 S90 T5/T6 Turbo 2014+ Beta Application
  • Load image into Gallery viewer, JB4 Plug and Play Piggyback ECU Tuning Box for Volvo S50 S60 S90 T5/T6 Turbo 2014+ Beta Application

JB4 Plug and Play Piggyback ECU Tuning Box for Volvo S50 S60 S90 T5/T6 Turbo 2014+ Beta Application

£687.70
£687.70
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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

Unlock serious, repeatable performance from your 2014+ Volvo S50, S60 or S90 T5/T6 turbo with the JB4 Performance Tuner. This advanced plug and play piggyback installs neatly between your factory sensors and ECU to deliver rapid gains of up to 40hp at the wheels on a stock car, while retaining factory-like smoothness and safety. As a no-flash tuning box, your ECU remains untouched, giving you an upgrade that is easy to fit, easy to remove and ideal as a remap alternative. Supplied by Nforcd in the UK. BETA application.

  • Up to 40hp to the wheels on a stock vehicle, with 91 octane fuel or better required for performance gains
  • True plug and play installation with factory-grade drivability and additional built-in safety features
  • Preloaded with custom JB4 Volvo software and up to 8 selectable maps, including ethanol E85 compatible options
  • CANbus OBDII integration for advanced control, real-time tuning adjustments and in-dash boost gauge functionality
  • Gear dependent boost control to aid traction and improve 0 to 60 and quarter mile performance
  • Read and clear fault codes, view live data and log runs, with free firmware updates as new maps are released
  • Optional wireless control via JB4 Mobile app or the free JB4PRO app with Bluetooth adapters available separately
  • Not VIN locked, includes a rugged billet aluminium enclosure, designed and assembled in the USA, with a 5 year warranty

The JB4 works by utilising key sensor inputs and CANbus data to safely optimise boost, fuel trims and other parameters, giving you a smooth, strong power delivery without permanently writing to the ECU. It runs seamlessly with all driving modes and does not affect fuel economy during normal cruising. When required, it can be removed without a trace or moved on to another compatible vehicle.

Vehicle fitment: 2014+ Volvo S50, S60, S90 with T5 or T6 turbo engines.

Connectivity options: add the JB4 Mobile adapter to use the JB4 Mobile by DMAC app, or choose the in-house JB4PRO Bluetooth adapter with the free JB4PRO app for intuitive setup, live gauges, data logging and easy map switching. Both options also allow simple firmware updates as new features and maps are released.

Order your JB4 from Nforcd with confidence. If you would like professional installation, fitting is available through Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.