{"product_id":"s68-jb4-tuner-for-bmw-xm-x5m-x6m","title":"Burger Motorsports (BMS) JB4 Plug \u0026 Play Piggyback ECU Tuning Box for BMW S68 V8, XM G09 2023+, X5M F95 LCI 2024+, X6M F96 LCI 2024+","description":"\u003cp\u003eUnlock serious performance from your 4.4 litre S68 V8 with the JB4 plug-and-play tuner for BMW XM, X5M and X6M. Supplied by Nforcd in the UK, this Burger Motorsports JB4 piggyback tuning box delivers proven gains of around 125whp on pump fuel and up to 260whp with higher octane or E85 blends, without opening the ECU. It installs cleanly, is fully reversible, and works even on locked ECUs, making it a powerful remap alternative for S68 owners.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play installation with no cutting or splicing, fully removable and not VIN locked\u003c\/li\u003e\n  \u003cli\u003ePreloaded S68-specific JB4 software with up to 8 selectable maps, including ethanol compatible tuning\u003c\/li\u003e\n  \u003cli\u003eSmartphone control via the JB4PRO app with Bluetooth connectivity for live data, logging, map switching and firmware updates\u003c\/li\u003e\n  \u003cli\u003eCANbus and OBDII integration with electronic wastegate control, built-in diagnostics and read or clear fault codes\u003c\/li\u003e\n  \u003cli\u003eAdjustable boost by gear for 1st, 2nd and 3rd to help optimise traction and launches\u003c\/li\u003e\n  \u003cli\u003eRuns smoothly in day-to-day driving, retains factory safety systems and typically leaves fuel economy unchanged\u003c\/li\u003e\n  \u003cli\u003eRugged billet aluminium enclosure, Made in the USA with a 5 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBMW XM G09 2023+ 4.4L S68, including 2024+ XM Label\u003c\/li\u003e\n  \u003cli\u003eBMW X5M F95 LCI 2024+ 4.4L S68\u003c\/li\u003e\n  \u003cli\u003eBMW X6M F96 LCI 2024+ 4.4L S68\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNforcd knows the JB4 platform inside out and it has been a popular choice with our S68 customers seeking a fast, flexible upgrade with big headroom. Choose the map to suit your fuel and modifications, monitor up to 40 parameters in real time, and enjoy substantial performance gains with the convenience of a reversible install.\u003c\/p\u003e\n\n\u003cp\u003eReady to transform your BMW? Order your JB4 from Nforcd today. Professional fitting is available at Nforcd in Warwickshire. To request a fitting quote, email Sales@nforcd.com.\u003c\/p\u003e","brand":"Burger Motorsports","offers":[{"title":"2023+ S68 BMW XM","offer_id":55463264420225,"sku":null,"price":1168.7,"currency_code":"GBP","in_stock":true},{"title":"2024+ S68 BMW X5M\/X6M","offer_id":55463264452993,"sku":null,"price":1168.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/9465\/6700\/files\/BMW-S58-JB4-Tuner_295d0527-db07-4aa8-a212-17180a5a8fdc.jpg?v=1774347389","url":"https:\/\/www.nforcd.com\/products\/s68-jb4-tuner-for-bmw-xm-x5m-x6m","provider":"Nforcd","version":"1.0","type":"link"}