{"product_id":"s58-jb4-for-2020-bmw-x3m-x3mc-x4m-x4mc","title":"JB4 Plug-and-Play Piggyback ECU Tuning Box for BMW X3M F97 \u0026 X4M F98 2020+ S58 (including Competition)","description":"\u003cp\u003eUnlock serious performance from your S58-powered BMW with the JB4 plug-and-play tuner for 2020 onward F97 X3M and F98 X4M. This advanced piggyback tuning module delivers quoted gains of 80whp\/100wtq on pump fuel and up to 150whp\/175wtq on higher octane or E85 blends, all while keeping factory safety systems intact. Both versions now include the free JB4PRO app for iOS and Android.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGains: 80whp\/100wtq on pump fuel and up to 150whp\/175wtq on higher octane or E85 mixtures.\u003c\/li\u003e\n  \u003cli\u003eS58-specific tuning: up to 8 preloaded maps for different fuels and modification levels, including ethanol\/E85 support.\u003c\/li\u003e\n  \u003cli\u003eJB4PRO app included: switch maps, view live gauges, log up to 20 parameters, and apply free firmware updates from your smartphone.\u003c\/li\u003e\n  \u003cli\u003eLaunch-friendly control: boost by gear for 1st, 2nd and 3rd, electronic wastegate control, and deep CANbus OBDII integration.\u003c\/li\u003e\n  \u003cli\u003eDiagnostics and safety: read and clear fault codes while retaining factory safeguards.\u003c\/li\u003e\n  \u003cli\u003eEasy, reversible fit: true plug-and-play with no cutting, not VIN-locked, smooth OEM-like drivability in all modes, fuel economy unchanged in normal driving, minimum 91 octane recommended, designed and assembled in the USA, 5 year warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eJB4PRO board option\u003c\/strong\u003e\u003cbr\u003eStep up to the optional JB4PRO board for built-in Bluetooth, fuel pressure control for more advanced ethanol tuning, onboard data logging memory, and integrated flex fuel, port injection and WMI control via plug-and-play add-on harnesses. Additional features can be unlocked with free firmware updates.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOptional accessories\u003c\/strong\u003e\u003cbr\u003eFlex Fuel and Port Injection harness for direct ethanol sensor input and multi-stage injector control, plus an extension harness that simplifies access to the lower MAP sensor during installation. Available separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle compatibility\u003c\/strong\u003e\u003cbr\u003e\n- BMW X3M F97 2020+ including Competition\u003cbr\u003e\n- BMW X4M F98 2020+ including Competition\u003c\/p\u003e\n\n\u003cp\u003eOrder your JB4 tuner from Nforcd, the UK specialist for performance car parts. We know this product well and it has been a popular upgrade for X3M and X4M owners seeking a fast, reversible tuning solution without unlocking or flashing the ECU. 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":"JB4","offer_id":55463205175681,"sku":"JB4_S58_FP_BT","price":1038.7,"currency_code":"GBP","in_stock":true},{"title":"JB4PRO","offer_id":55463205208449,"sku":"JB4PRO_S58","price":1168.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/9465\/6700\/files\/JB4-PRO.jpg?v=1774346598","url":"https:\/\/www.nforcd.com\/products\/s58-jb4-for-2020-bmw-x3m-x3mc-x4m-x4mc","provider":"Nforcd","version":"1.0","type":"link"}