{"product_id":"jb4-performance-tuning-system-b58","title":"JB4 Performance Tuning System B58","description":"The Burger Motorsports BMS JB4 is an advanced, highly featured tuning system designed for GEN1 and GEN2 B58 powered BMWs. It provides substantial power increases of up to 120 wheel horsepower and 120 wheel torque on a stock vehicle, without the risks associated with ECU flashing. The system is compatible with locked ECUs and installs easily with a plug-and-play harness, allowing for straightforward removal.\n\nThe JB4 integrates seamlessly with the vehicle's sensors and ECU, manipulating performance parameters for a faster, smoother driving experience. It comes preloaded with custom tuning software and multiple maps catering to various fuel types and modification levels, including support for E85 mixtures. Advanced features include on-the-fly in-dash map switching, boost limiting by gear for improved traction, built-in data logging, fault code reading and deletion, and optional direct exhaust wastegate control to prevent throttle closure with exhaust modifications.\n\nFor GEN2 B58 engines, an optional fuel pressure connection is available to directly control fuel pressure and trims, particularly beneficial for E85 usage. The JB4 system also offers wireless connectivity via optional smartphone adapters, enabling real-time data analysis, map changes, and firmware updates. It is not VIN-locked and can be removed without leaving a trace.\n\nVehicle Fitment (GEN1 \u0026amp; GEN2 B58) includes a range of BMW models: 1 Series (2016-2019 M140i), 2 Series (2016-2021 M240i, 2022+ M240i), 3 Series (2016-2018 340i, 2020-2024 M340i), 4 Series (2016-2020 440i, 2021-2024 M440i), 5 Series (2017-2023 540i), 6 Series (2018-2023 640i), 7 Series (2016-2022 740i), 8 Series (2018+ 840i), X Series (2018-2024 X3 M40i, X4 M40i, X5 40i, X6 40i, X7 40i), and Z4 (2019+ Z4 M40). Note that the newest B58TU2 GEN3 motor requires a different product page. For 2018+ G chassis vehicles with digital dashes, in-dash map control will be added via a future firmware update; until then, a JB4 mobile adapter or BMS data cable is required for map and setting changes. The JB4_B58 is CARB Approved Under Executive Order (EO) No. D-744-4 for specific 2016-2018 applications.","brand":"Burger Motorsports","offers":[{"title":"Default Title","offer_id":52687320121656,"sku":"BMS-JB4-BMW-GEN1-GEN2-B58","price":529.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/662157410.jpg?v=1784882619","url":"https:\/\/store.motormia.co\/products\/jb4-performance-tuning-system-b58","provider":"MOTORMIA","version":"1.0","type":"link"}