{"product_id":"513-hp-stage-2-ecu-software-bmw-m240i-m340i-m440i-z4m40i","title":"513 HP Stage 2 ECU Software | BMW M240i\/M340i\/M440i\/Z4M40i Generation 2 B58","description":"\u003cp data-start=\"0\" data-end=\"309\" class=\"PDq2pG_selectionAnchorContainer\"\u003eUnlock the full potential of the Gen 2 B58 with CarBahn Stage 2 ECU Software. Developed through extensive dyno testing, the calibration optimizes boost, ignition timing, fueling, and torque delivery to produce significantly more power while maintaining the smooth, predictable drivability expected from a BMW.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"311\" data-end=\"557\"\u003eOn 93 octane, Stage 2 delivers an additional 74 horsepower and 73 lb-ft of torque at the flywheel. With 100-octane fuel, output climbs to an estimated 513 horsepower and 570 lb-ft of torque—gains of nearly 100 horsepower and 100 lb-ft over stock.\u003c\/p\u003e\n\u003cp data-start=\"559\" data-end=\"720\"\u003eThe result is stronger acceleration throughout the rev range, sharper throttle response, and substantial midrange torque without sacrificing everyday refinement.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1f69yys\" data-start=\"722\" data-end=\"745\"\u003ePerformance Results\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"747\" data-end=\"1015\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"747\" data-end=\"802\"\u003e\n\u003ctr data-start=\"747\" data-end=\"802\"\u003e\n\u003cth data-start=\"747\" data-end=\"754\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eFuel\u003c\/th\u003e\n\u003cth data-start=\"754\" data-end=\"770\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eConfiguration\u003c\/th\u003e\n\u003cth data-start=\"770\" data-end=\"787\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eFlywheel Power\u003c\/th\u003e\n\u003cth data-start=\"787\" data-end=\"802\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eWheel Power\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"823\" data-end=\"1015\"\u003e\n\u003ctr data-start=\"823\" data-end=\"882\"\u003e\n\u003ctd data-start=\"823\" data-end=\"827\" data-col-size=\"sm\"\u003e—\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"827\" data-end=\"839\"\u003eOEM Stock\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"839\" data-end=\"860\"\u003e415 HP \/ 473 lb-ft\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"860\" data-end=\"882\"\u003e341 HP \/ 388 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"883\" data-end=\"948\"\u003e\n\u003ctd data-start=\"883\" data-end=\"895\" data-col-size=\"sm\"\u003e93 Octane\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"895\" data-end=\"905\"\u003eStage 2\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"905\" data-end=\"926\"\u003e489 HP \/ 546 lb-ft\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"926\" data-end=\"948\"\u003e401 HP \/ 448 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"949\" data-end=\"1015\"\u003e\n\u003ctd data-start=\"949\" data-end=\"962\" data-col-size=\"sm\"\u003e100 Octane\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"962\" data-end=\"972\"\u003eStage 2\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"972\" data-end=\"993\"\u003e513 HP \/ 570 lb-ft\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"993\" data-end=\"1015\"\u003e421 HP \/ 468 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-section-id=\"1n1aybe\" data-start=\"1017\" data-end=\"1037\"\u003eGains Over Stock\u003c\/h3\u003e\n\u003cul data-start=\"1039\" data-end=\"1384\"\u003e\n\u003cli data-section-id=\"btkrab\" data-start=\"1039\" data-end=\"1088\"\u003e93 octane: +74 HP and +73 lb-ft at the flywheel\u003c\/li\u003e\n\u003cli data-section-id=\"yvrisz\" data-start=\"1089\" data-end=\"1137\"\u003e93 octane: +60 WHP and +60 lb-ft at the wheels\u003c\/li\u003e\n\u003cli data-section-id=\"1b4ee34\" data-start=\"1138\" data-end=\"1188\"\u003e100 octane: +98 HP and +97 lb-ft at the flywheel\u003c\/li\u003e\n\u003cli data-section-id=\"1s6h8ko\" data-start=\"1189\" data-end=\"1238\"\u003e100 octane: +80 WHP and +80 lb-ft at the wheels\u003c\/li\u003e\n\u003cli data-section-id=\"4vf1m3\" data-start=\"1239\" data-end=\"1293\"\u003eImproved throttle response and midrange acceleration\u003c\/li\u003e\n\u003cli data-section-id=\"vm8phz\" data-start=\"1294\" data-end=\"1331\"\u003eSmooth, factory-like power delivery\u003c\/li\u003e\n\u003cli data-section-id=\"43uuyz\" data-start=\"1332\" data-end=\"1384\"\u003eCalibrations available for up to 100-octane fuel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1386\" data-end=\"1591\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cem data-start=\"1386\" data-end=\"1591\" data-is-last-node=\"\"\u003ePower figures represent CarBahn test results under controlled conditions. Actual output may vary depending on vehicle condition, fuel quality, installed hardware, environmental conditions, and dyno type.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"CarBahn","offers":[{"title":"Default Title","offer_id":52015969141053,"sku":"CBB11-SW-0402","price":795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/1896\/8125\/files\/CarBahn-Stage-2-ECU-Software-BMW-B58-Gen-2.jpg?v=1784737329","url":"https:\/\/carbahn.com\/products\/513-hp-stage-2-ecu-software-bmw-m240i-m340i-m440i-z4m40i","provider":"CarBahn","version":"1.0","type":"link"}