{"product_id":"b58-stage-2","title":"B58 Stage 2 Tuning","description":"\u003ch3 data-start=\"229\" data-end=\"278\"\u003e\u003cstrong data-start=\"233\" data-end=\"278\"\u003eStage 2 Tuning – BMW B58 | JWS motorWorks\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"280\" data-end=\"642\"\u003eOur \u003cstrong data-start=\"284\" data-end=\"339\"\u003eStage 2 tuning package for BMW B58-powered vehicles\u003c\/strong\u003e builds on the strong foundation of Stage 1, combining advanced engine management calibration with carefully selected supporting hardware upgrades. This allows us to safely extract significantly higher levels of performance while maintaining the reliability and refinement the B58 platform is known for.\u003c\/p\u003e\n\u003cp data-start=\"644\" data-end=\"985\"\u003eStage 2 tuning is designed for drivers who want \u003cstrong data-start=\"692\" data-end=\"746\"\u003emaximum performance from the standard turbocharger\u003c\/strong\u003e, delivering a noticeable step up in power, torque, and overall responsiveness. With improved airflow and reduced exhaust backpressure, the engine is able to operate more efficiently at higher load, unlocking the next level of performance.\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1287\"\u003eAs with all our tuning, \u003cstrong data-start=\"1011\" data-end=\"1084\"\u003eStage 2 calibrations are developed and validated on our in-house dyno\u003c\/strong\u003e at JWS motorWorks. Each vehicle is custom mapped to suit its specific hardware configuration, ensuring precise control of boost, fueling, and ignition timing while maintaining safe operating parameters.\u003c\/p\u003e\n\u003ch4 data-start=\"1289\" data-end=\"1332\"\u003e\u003cstrong data-start=\"1294\" data-end=\"1332\"\u003eRequired Modifications for Stage 2\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1334\" data-end=\"1432\"\u003eTo support the increased performance safely and consistently, the following upgrades are required:\u003c\/p\u003e\n\u003cul data-start=\"1434\" data-end=\"1702\"\u003e\n\u003cli data-start=\"1434\" data-end=\"1508\"\u003e\n\u003cp data-start=\"1436\" data-end=\"1508\"\u003e\u003cstrong data-start=\"1436\" data-end=\"1465\"\u003eHigh-flow sports downpipe\u003c\/strong\u003e (decat or high-flow catalytic converter)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1509\" data-end=\"1565\"\u003e\n\u003cp data-start=\"1511\" data-end=\"1565\"\u003e\u003cstrong data-start=\"1511\" data-end=\"1537\"\u003eUpgraded intake system\u003c\/strong\u003e or high-flow panel filter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1566\" data-end=\"1631\"\u003e\n\u003cp data-start=\"1568\" data-end=\"1631\"\u003e\u003cstrong data-start=\"1568\" data-end=\"1592\"\u003eImproved charge pipe\u003c\/strong\u003e (metal recommended over OEM plastic)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1632\" data-end=\"1702\"\u003e\n\u003cp data-start=\"1634\" data-end=\"1702\"\u003e\u003cstrong data-start=\"1634\" data-end=\"1658\"\u003eUpgraded spark plugs\u003c\/strong\u003e (correct heat range for tuned applications)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1704\" data-end=\"1778\"\u003e\u003cem data-start=\"1704\" data-end=\"1778\"\u003eOptional but recommended upgrades for consistency and longevity include:\u003c\/em\u003e\u003c\/p\u003e\n\u003cul data-start=\"1780\" data-end=\"1945\"\u003e\n\u003cli data-start=\"1780\" data-end=\"1843\"\u003e\n\u003cp data-start=\"1782\" data-end=\"1843\"\u003e\u003cstrong data-start=\"1782\" data-end=\"1806\"\u003eUpgraded intercooler\u003c\/strong\u003e (especially for repeated hard use)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1844\" data-end=\"1945\"\u003e\n\u003cp data-start=\"1846\" data-end=\"1945\"\u003e\u003cstrong data-start=\"1846\" data-end=\"1880\"\u003eUpgraded transmission software\u003c\/strong\u003e (ZF8) to handle increased torque and improve shift performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1947\" data-end=\"2059\"\u003eAll hardware can be supplied and fitted by \u003cstrong data-start=\"1990\" data-end=\"2008\"\u003eJWS motorWorks\u003c\/strong\u003e, ensuring full compatibility with our calibration.\u003c\/p\u003e\n\u003ch4 data-start=\"2061\" data-end=\"2106\"\u003e\u003cstrong data-start=\"2066\" data-end=\"2106\"\u003eExpected Performance Gains (Stage 2)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"2108\" data-end=\"2246\"\u003ePerformance figures will vary depending on model, fuel quality, and supporting modifications, but typical results for BMW B58 engines are:\u003c\/p\u003e\n\u003cul data-start=\"2248\" data-end=\"2371\"\u003e\n\u003cli data-start=\"2248\" data-end=\"2300\"\u003e\n\u003cp data-start=\"2250\" data-end=\"2300\"\u003e\u003cstrong data-start=\"2250\" data-end=\"2269\"\u003eStage 1 Output:\u003c\/strong\u003e\u003cbr data-start=\"2269\" data-end=\"2272\"\u003e~380–420 bhp \/ ~550–600 Nm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2302\" data-end=\"2371\"\u003e\n\u003cp data-start=\"2304\" data-end=\"2371\"\u003e\u003cstrong data-start=\"2304\" data-end=\"2323\"\u003eStage 2 Output:\u003c\/strong\u003e\u003cbr data-start=\"2323\" data-end=\"2326\"\u003e\u003cstrong data-start=\"2328\" data-end=\"2344\"\u003e~430–460 bhp\u003c\/strong\u003e\u003cbr data-start=\"2344\" data-end=\"2347\"\u003e\u003cstrong data-start=\"2349\" data-end=\"2371\"\u003e~620–680 Nm torque\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2373\" data-end=\"2578\"\u003eStage 2 delivers a dramatic increase in mid-range torque, stronger top-end pull, and a more aggressive, engaging driving experience — while remaining perfectly usable on the road when correctly calibrated.\u003c\/p\u003e\n\u003cp data-start=\"2580\" data-end=\"2839\"\u003eDespite the substantial power increase, drivability remains smooth and predictable, with factory safety systems retained. When driven sensibly, fuel efficiency can remain comparable to stock, though increased performance naturally encourages enthusiastic use.\u003c\/p\u003e\n\u003cp data-start=\"2841\" data-end=\"3079\"\u003e\u003cstrong data-start=\"2841\" data-end=\"2894\"\u003eJWS motorWorks Stage 2 tuning for BMW B58 engines\u003c\/strong\u003e is the ideal upgrade for enthusiasts looking to push the platform further, combining proven hardware upgrades with bespoke dyno-developed software for reliable, repeatable performance.\u003c\/p\u003e","brand":"JWS MotorWorks","offers":[{"title":"Required (Non road use)","offer_id":57121743929731,"sku":null,"price":500.0,"currency_code":"GBP","in_stock":true},{"title":"Not required (stock PPF)","offer_id":57121743962499,"sku":null,"price":480.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/6271\/4755\/files\/Stage2Dvdbox.png?v=1767364944","url":"https:\/\/jwsmotorworks.com\/products\/b58-stage-2","provider":"JWS MotorWorks","version":"1.0","type":"link"}