{"product_id":"jb4-fuel-pressure-upgrade-kit-b58-s58-b48-supra","title":"Burger Motorsports JB4 Fuel Pressure Upgrade Kit – BMW B58 \/ S58 \/ B48 \u0026 Supra B58","description":"\u003cstyle\u003e.sl-desc h2{font-size:1.15em;letter-spacing:.06em;text-transform:uppercase;border-bottom:2px solid #111;padding-bottom:6px;margin:1.6em 0 .7em}.sl-desc h3{font-size:1em;margin:1.2em 0 .4em}.sl-desc ul{margin:0 0 1em 1.2em}.sl-desc li{margin:.25em 0}.va-table{width:100%;border-collapse:collapse;margin:.5em 0 1em;font-size:.95em}.va-table th{text-align:left;padding:10px 8px;border-bottom:2px solid #333;white-space:nowrap}.va-table td{padding:8px;border-bottom:1px solid #e5e5e5;vertical-align:top}.sl-note{font-size:.9em;color:#555;margin:.4em 0 1em}\u003c\/style\u003e\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe JB4 Fuel Pressure Upgrade Kit adds a high fuel pressure connection to a standard JB4 on the B58 Gen2, B48 and S58 platforms, giving the tuner direct control of fuel pressure and fuel trims. That is the piece that matters once you are running E85 blends or pushing past what the factory fueling strategy wants to give you.\u003c\/p\u003e\n\u003cp\u003eThe kit is a replacement JB4 board plus a fuel pressure connector harness that attaches to your existing JB4 harness, so the install is straightforward. If you already run a JB4PRO you do not need this kit — fuel pressure control is built into the PRO board.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGives a standard JB4 direct control of fuel pressure and fuel trims\u003c\/li\u003e\n\u003cli\u003eAdds a high fuel pressure connection to the JB4\u003c\/li\u003e\n\u003cli\u003eEngine options: B48 (2020+), B58 Gen2, and S58\u003c\/li\u003e\n\u003cli\u003eNot compatible with Gen1 (2016–2019) B58 engines\u003c\/li\u003e\n\u003cli\u003eNot required on the JB4PRO — fuel pressure control is already built into that board\u003c\/li\u003e\n\u003cli\u003eHarness attaches to the existing JB4 installation harness\u003c\/li\u003e\n\u003cli\u003e$75 core refund on the original JB4 board when it was purchased from Burger Motorsports or an authorized reseller\u003c\/li\u003e\n\u003cli\u003eCore must be received within 45 days of receiving the upgrade kit, together with a copy of the original JB4 purchase receipt and the upgrade kit order number\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement JB4 board with fuel pressure control\u003c\/li\u003e\n\u003cli\u003eFuel pressure connector harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003ch3\u003eAdditional Parts Required\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAn installed standard JB4 for your platform — \u003ca href=\"\/products\/bmw-gen1-gen2-b58-jb4\"\u003eB58 Gen1 \u0026amp; Gen2 JB4\u003c\/a\u003e, \u003ca href=\"\/products\/s58-jb4-tuner-for-bmw-g80-m3-g82-m4-g87-m2\"\u003eS58 JB4 (G80 M3 \/ G82 G83 M4 \/ G87 M2)\u003c\/a\u003e, \u003ca href=\"\/products\/jb4-tuner-for-s58-2020-bmw-f97-x3m-f98-x4m\"\u003eS58 JB4 (F97 X3M \/ F98 X4M)\u003c\/a\u003e or the \u003ca href=\"\/products\/jb4-for-2020-toyota-supra-mk5\"\u003eToyota GR Supra Mk5 JB4\u003c\/a\u003e. This kit is an upgrade to an existing JB4, not a standalone tuner.\u003c\/li\u003e\n\u003cli\u003eThe correct engine option (B48, B58 Gen2 or S58) selected at checkout — the board is platform specific.\u003c\/li\u003e\n\u003cli\u003eA smartphone (iOS or Android) running the free JB4 Mobile app for map switching, live gauges and datalogging.\u003c\/li\u003e\n\u003cli\u003eA fuel appropriate to the map you select — 91\/93 octane pump gas, or an ethanol blend for the E-blend maps this kit is intended to support.\u003c\/li\u003e\n\u003cli\u003eNot required if you own a JB4PRO. Do not buy this kit for a Gen1 B58.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/bms-jb4-b38-b46-b48-b58-installation-instructions.pdf?v=1787174605\"\u003eBurger Motorsports B38\/B46\/B48\/B58 Gen1 \u0026amp; Gen2 JB4 Install Guide (PDF)\u003c\/a\u003e — base JB4 installation\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.jb4tech.com\/forum\/model-specific-engine-tuning-modification-discussion\/b58-b48\/843630-jb4-fuel-pressure-control-for-the-gen2-b58\"\u003eJB4 fuel pressure control for the Gen2 B58 — official JB4tech forum thread\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eBurger Motorsports does not publish an official part number for this kit, so no part number is listed. Gen2 B58 only — not compatible with earlier Gen1 (2016–2019) B58 engines.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable class=\"va-table\"\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\u003eM240i (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eG42\u003c\/td\u003e\n\u003ctd\u003eB58 Gen2\u003c\/td\u003e\n\u003ctd\u003e2022+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM340i (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eG20 \/ G21\u003c\/td\u003e\n\u003ctd\u003eB58 Gen2\u003c\/td\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM440i (incl. Gran Coupe, xDrive)\u003c\/td\u003e\n\u003ctd\u003eG22 \/ G23 \/ G26\u003c\/td\u003e\n\u003ctd\u003eB58 Gen2\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e220i, 230i\u003c\/td\u003e\n\u003ctd\u003eG42\u003c\/td\u003e\n\u003ctd\u003eB48\u003c\/td\u003e\n\u003ctd\u003e2022+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e320i, 330i, 330e (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eG20 \/ G21\u003c\/td\u003e\n\u003ctd\u003eB48\u003c\/td\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e420i, 430i (incl. Gran Coupe, xDrive)\u003c\/td\u003e\n\u003ctd\u003eG22 \/ G23 \/ G26\u003c\/td\u003e\n\u003ctd\u003eB48\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3, M3 Competition (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eG80\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4, M4 Competition (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eG82\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4 Convertible\u003c\/td\u003e\n\u003ctd\u003eG83\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2022+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003eG87\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2023+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eGR Supra Mk5 3.0\u003c\/td\u003e\n\u003ctd\u003eA90 \/ A91\u003c\/td\u003e\n\u003ctd\u003eB58 Gen2 3.0L\u003c\/td\u003e\n\u003ctd\u003e2020–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eGR Supra Mk5 2.0\u003c\/td\u003e\n\u003ctd\u003eA90 \/ A91\u003c\/td\u003e\n\u003ctd\u003eB48 2.0L\u003c\/td\u003e\n\u003ctd\u003e2020–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Burger Motorsports","offers":[{"title":"B48 (2020+)","offer_id":52520147976472,"sku":null,"price":175.0,"currency_code":"USD","in_stock":true},{"title":"B58 Gen2","offer_id":52520148009240,"sku":null,"price":175.0,"currency_code":"USD","in_stock":true},{"title":"S58","offer_id":52520148042008,"sku":null,"price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/B58-Gen2-S58-Fuel-Pressure-Upgrade-Kit.jpg?v=1786741306","url":"https:\/\/speedlogicauto.com\/products\/jb4-fuel-pressure-upgrade-kit-b58-s58-b48-supra","provider":"SPEED LOGIC","version":"1.0","type":"link"}