{"product_id":"s58-jb4-bmw-x3m-x4m-performance-tuner","title":"S58 JB4 BMW X3M X4M Performance Tuner","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe JB4 takes your S58-powered X3M or X4M from bone stock to full-race-ready with room to grow along the way. It taps into the car's sensors and CANbus for real-time control, giving you user-adjustable 1st and 2nd gear boost limiting, electronic wastegate control, and E85 support, all through simple smartphone integration. Installation and removal are completely clean, with no cutting or splicing of factory wiring.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeaningful power gains on pump gas, with further headroom on higher octane or E85 blends\u003c\/li\u003e\n\u003cli\u003eImproves 0-60 and quarter-mile times\u003c\/li\u003e\n\u003cli\u003eIncludes multiple tuning maps for different fuel types and modification levels\u003c\/li\u003e\n\u003cli\u003eQuick plug-and-play installation with zero permanent modifications\u003c\/li\u003e\n\u003cli\u003eSupports E85 ethanol blends\u003c\/li\u003e\n\u003cli\u003eReads and clears engine fault codes\u003c\/li\u003e\n\u003cli\u003eDisplays and logs up to 40 real-time engine parameters\u003c\/li\u003e\n\u003cli\u003eBoost-by-gear control for improved traction off the line\u003c\/li\u003e\n\u003cli\u003eControls exhaust flap operation on supported vehicles\u003c\/li\u003e\n\u003cli\u003eCompatible with the free JB4PRO smartphone app\u003c\/li\u003e\n\u003cli\u003eFull CANbus integration for factory-level communication with the DME\u003c\/li\u003e\n\u003cli\u003eNo impact on fuel economy during normal, non-aggressive driving\u003c\/li\u003e\n\u003cli\u003eRequires 91 octane or better for performance gains\u003c\/li\u003e\n\u003cli\u003eNot VIN-locked — fully removable and can be resold or moved to another car\u003c\/li\u003e\n\u003cli\u003eHoused in a rugged billet aluminum enclosure; designed and assembled in the USA\u003c\/li\u003e\n\u003cli\u003eBacked by a 5-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x JB4 (or JB4PRO) tuner unit in billet aluminum enclosure\u003c\/li\u003e\n\u003cli\u003ePlug-and-play installation harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes the JB4PRO app!\u003c\/strong\u003e Wirelessly connect the JB4 to your iOS or Android device to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as new versions release with more powerful maps and features\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBMS-JB4-BMW-S58-XXM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX3M (incl. Competition)\u003c\/td\u003e\n\u003ctd\u003eF97\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2020–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4M (incl. Competition)\u003c\/td\u003e\n\u003ctd\u003eF98\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2020–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Burger Motorsports","offers":[{"title":"JB4","offer_id":53603914318131,"sku":null,"price":799.0,"currency_code":"USD","in_stock":true},{"title":"JB4PRO","offer_id":53603914350899,"sku":null,"price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/BMW-S58-JB4-Tuner.jpg?v=1783022159","url":"https:\/\/x58cartel.com\/products\/s58-jb4-bmw-x3m-x4m-performance-tuner","provider":"x58cartel","version":"1.0","type":"link"}