{"product_id":"mhd-tuning-can-e85-flex-fuel-kit-for-bmw-n55-s55-b58-gen-1-gen-2-s58","title":"MHD Tuning | CAN E85 Flex Fuel Kit for BMW N55, S55, B58 (Gen 1 \u0026 Gen 2) \u0026 S58","description":"\u003cp\u003eThe \u003cstrong\u003eCAN E85 Flex Fuel Kit\u003c\/strong\u003e provides a complete plug-and-play solution for enabling \u003cstrong\u003eFlex Fuel functionality on compatible MHD-tuned BMW vehicles\u003c\/strong\u003e. Designed for N55, S55, B58, and S58 applications, the system measures the actual ethanol content of the fuel and communicates that information directly to the vehicle's Engine Computer (DME) through CAN communication.\u003c\/p\u003e\n\u003cp\u003eWith real-time ethanol-content data available to the DME, a compatible MHD Flex Fuel tune can automatically adjust engine parameters according to the ethanol percentage currently in the fuel tank.\u003c\/p\u003e\n\u003ch2\u003eWhat Is an ECA?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eECA\u003c\/strong\u003e stands for \u003cstrong\u003eEthanol Content Analyzer\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe CAN Ethanol Content Analyzer receives information from the E85 ethanol sensor, converts the sensor data into CAN-compatible information, and sends it to the vehicle's Engine Computer (DME).\u003c\/p\u003e\n\u003cp\u003eThis allows the tuning software to identify the actual ethanol concentration in the fuel instead of relying on an estimated blend.\u003c\/p\u003e\n\u003ch2\u003eE85 vs. Flex Fuel\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eE85\u003c\/strong\u003e is a high-ethanol fuel blend known for its high octane rating and popularity in performance applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFlex Fuel\u003c\/strong\u003e, however, is a vehicle and tuning feature rather than a specific fuel.\u003c\/p\u003e\n\u003cp\u003eWhen properly configured, Flex Fuel allows the Engine Computer to automatically adjust compatible tuning parameters based on the ethanol percentage detected by the ECA. This means the vehicle can adapt to changing ethanol concentrations in the fuel tank without requiring the driver to manually estimate the blend.\u003c\/p\u003e\n\u003ch2\u003eMHD Flex Fuel Kit\u003c\/h2\u003e\n\u003cp\u003eThis kit is designed to enable the \u003cstrong\u003eMHD Flex Fuel feature on supported BMW applications\u003c\/strong\u003e when used with the appropriate MHD-compatible tune.\u003c\/p\u003e\n\u003cp\u003eThe ethanol sensor continuously measures fuel composition, while the CAN ECA delivers that information to the DME for use by the Flex Fuel calibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e A correct Flex Fuel-compatible tune is required. Operating an engine with an ethanol blend that is not supported by the installed calibration may result in improper engine operation and may cause engine damage.\u003c\/p\u003e\n\u003ch2\u003eSupported Vehicles \u0026amp; Engines\u003c\/h2\u003e\n\u003cp\u003eThe CAN E85 Flex Fuel Kit supports a wide range of BMW F-Series and G-Series performance applications, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBMW F22, F25, F3x, F1x, F4x and F8x\u003c\/strong\u003e with N55 or S55 engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eF-Series Gen 1 B58B30M0\u003c\/strong\u003e vehicles with automatic transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBMW G30 5 Series\u003c\/strong\u003e with Gen 1 B58 and automatic transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBMW G01 X3\u003c\/strong\u003e with Gen 1 B58 and automatic transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBMW G20\u003c\/strong\u003e with Gen 2 B58 and automatic transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eToyota GR Supra MK5 \/ A90 \/ A91\u003c\/strong\u003e with Gen 2 B58 and automatic transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBMW G01 X3\u003c\/strong\u003e with Gen 2 B58 and automatic transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBMW G30 5 Series\u003c\/strong\u003e with Gen 2 B58 and automatic transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBMW X3 M \/ X4 M\u003c\/strong\u003e with S58 engine and automatic transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBMW G80 M3\u003c\/strong\u003e with S58 engine and automatic transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBMW G82 M4\u003c\/strong\u003e with S58 engine and automatic transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManual-transmission vehicles\u003c\/strong\u003e using the Open Wire with PosiTap option\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eVehicle compatibility should be confirmed before installation, particularly when engine, transmission, wiring, or tuning configurations differ from standard applications.\u003c\/p\u003e\n\u003ch2\u003ePlug-and-Play Installation\u003c\/h2\u003e\n\u003cp\u003eThe kit is engineered for straightforward installation with \u003cstrong\u003eno wire splicing or soldering required on supported plug-and-play applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt includes the necessary electrical connectors, ethanol sensor, piggyback harness, and fuel hoses for a clean installation.\u003c\/p\u003e\n\u003cp\u003eThe supplied fuel hoses are \u003cstrong\u003estatic-pressure tested to 10 bar \/ 145 PSI\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor manual-transmission or other applicable configurations, an \u003cstrong\u003eOpen Wire with PosiTap option\u003c\/strong\u003e is available.\u003c\/p\u003e\n\u003ch2\u003eTested Before Shipping\u003c\/h2\u003e\n\u003cp\u003eEach Ethanol Content Analyzer unit is tested before shipment to help ensure correct operation.\u003c\/p\u003e\n\u003cp\u003eThe complete kit is designed to remove the guesswork from integrating an ethanol-content sensor with supported MHD Flex Fuel applications.\u003c\/p\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCAN Ethanol Content Analyzer Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEthanol Content Sensor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCustom Plug-and-Play Piggyback Harness\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCustom Plug-and-Play Fuel Hoses from Precision Raceworks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEye Protection Glasses\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProtective Gloves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Videos\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eF-Series N55 \/ S55 AT \u0026amp; DCT Installation\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=7AXqiTwUUms\"\u003ehttps:\/\/www.youtube.com\/watch?v=7AXqiTwUUms\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eF-Series B58 Installation\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=ZPzRVMmIjcU\"\u003ehttps:\/\/www.youtube.com\/watch?v=ZPzRVMmIjcU\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eG-Series M340i B58 Installation\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=fPqmXb0ymnQ\"\u003ehttps:\/\/www.youtube.com\/watch?v=fPqmXb0ymnQ\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eG-Series B58 \u0026amp; S58 Installation – Including X3 M \/ X4 M\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=YaNEYIFgKFI\"\u003ehttps:\/\/www.youtube.com\/watch?v=YaNEYIFgKFI\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eE-Series N54 Installation\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/youtu.be\/Np4tBAjtspc\"\u003ehttps:\/\/youtu.be\/Np4tBAjtspc\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eOpen Wire Wiring Diagram \u0026amp; Pinouts\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/docs.google.com\/spreadsheets\/d\/1Hx9ewWW5xOkx39xl5krXK8G30KLt8kSkddWCSClmxys\"\u003ehttps:\/\/docs.google.com\/spreadsheets\/d\/1Hx9ewWW5xOkx39xl5krXK8G30KLt8kSkddWCSClmxys\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eHow to Enable Flex Fuel in the MHD App\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/youtu.be\/nOHVmoxc57M\"\u003ehttps:\/\/youtu.be\/nOHVmoxc57M\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReal-time \u003cstrong\u003eE85 ethanol content measurement\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCAN communication with the vehicle's DME\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003eMHD Flex Fuel tuning\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports popular \u003cstrong\u003eBMW N55, S55, B58 and S58 engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with selected \u003cstrong\u003eBMW F-Series and G-Series models\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports selected \u003cstrong\u003eToyota GR Supra MK5 B58 applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlug-and-play installation on supported configurations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNo soldering or wire splicing required for P\u0026amp;P applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCustom Precision Raceworks fuel hoses\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuel hoses tested to \u003cstrong\u003e10 bar \/ 145 PSI\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEach ECA module tested before shipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOpen Wire \/ PosiTap solution available for applicable manual-transmission vehicles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"AutoTopNL","offers":[{"title":"F-Series N55\/S55\/B58","offer_id":55184505504087,"sku":null,"price":470.25,"currency_code":"EUR","in_stock":true},{"title":"G-Series B58\/S58","offer_id":55184505536855,"sku":null,"price":470.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0486\/8066\/5239\/files\/Photoroom_20260928_141252.png?v=1790597675","url":"https:\/\/autotopnl.shop\/nl\/products\/mhd-tuning-can-e85-flex-fuel-kit-for-bmw-n55-s55-b58-gen-1-gen-2-s58","provider":"AutoTopNL","version":"1.0","type":"link"}