{"product_id":"stage-1-b58-high-performance-engine-b30c-awd-bmw-540i-xdrive-740i-xdrive-745e-xdrive-840i-xdrive-x5-xdrive40i-x6-xdrive40i-x7-xdrive40i","title":"Stage 1 B58 High Performance Engine (B30C AWD) | BMW 540i xDrive\/740i xDrive\/745e xDrive\/840i xDrive\/X5 xDrive40i\/X6 xDrive40i\/X7 xDrive40i","description":"\u003cp data-end=\"445\" data-start=\"0\"\u003eThe CarBahn B58 Stage 1 engine is rated for up to 650 lb-ft of torque. It is designed to improve durability for medium-output tunes, making it an excellent alternative to an OEM factory remanufactured engine, especially if your original engine has failed and is no longer under warranty. We use high-quality racing components, including Carrillo connecting rods, forged CP pistons, high-performance valve springs, and a high-performance head gasket.\u003c\/p\u003e\n\u003cp data-end=\"1036\" data-start=\"447\"\u003eThis engine maintains the stock compression ratio, ensuring excellent drivability and fuel economy. \u003c\/p\u003e\n\u003cp data-end=\"1036\" data-start=\"447\"\u003e\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW61197914 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW61197914 BCX0\"\u003eThe stock engine compression ratio is \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW61197914 BCX0\"\u003erelatively high\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW61197914 BCX0\"\u003e due to the Corporate Average Fuel Economy (CAFE) standards which push for consistently higher fuel economy in cars and trucks. However, this increased compression limits engine performance with higher boost settings by decreasing the size of the fuel-air charge in the combustion chamber, forcing the ignition timing to retard far below MBT (mean best timing, the theoretical \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW61197914 BCX0\"\u003eoptimal\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW61197914 BCX0\"\u003e ignition timing). Therefore, the \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW61197914 BCX0\"\u003eCarbahn\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW61197914 BCX0\"\u003e B58 engine has 0.5 less compression to \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW61197914 BCX0\"\u003eoptimize\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW61197914 BCX0\"\u003e the engine for the increased boost.\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-ccp-props='{\"201341983\":0,\"335557856\":16777215,\"335559739\":300,\"335559740\":240}' class=\"EOP SCXW61197914 BCX0\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe B58 CarBahn engine is designed to improve the strength of your engine if you are tuning your car. Connecting rods are replaced with Carrillo forged racing rods. Pistons are CP forged racing pistons. The engine also comes with lowered compression, ported cylinder head and high-performance valve springs for ultra-high boost pressures. The engine is a complete overhaul with blue printing and balancing. This engine is designed for an increase in torque of 100% over stock.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"CarBahn","offers":[{"title":"Default Title","offer_id":53314786263362,"sku":"CBB06-06-7512","price":16995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/3369\/6578\/files\/Stage1B58S58CarBahnEngine_ab574a72-0ebb-4fda-96cd-1aafbcdfba45.jpg?v=1778878504","url":"https:\/\/buypureflow.com\/products\/stage-1-b58-high-performance-engine-b30c-awd-bmw-540i-xdrive-740i-xdrive-745e-xdrive-840i-xdrive-x5-xdrive40i-x6-xdrive40i-x7-xdrive40i","provider":"PureFlow Performance","version":"1.0","type":"link"}