{"product_id":"bmw-m57-swap-wiring-harness","title":"BMW M57 Swap Wiring Harness","description":"\u003ch2\u003eBMW M57 Swap Wiring Harness for Standalone Engine Conversion Projects\u003c\/h2\u003e\n\n\u003cp\u003eThis simplified BMW M57 swap wiring harness is designed to make it easier to start and operate a BMW M57 engine outside of the original BMW vehicle. It is intended for engine swap, retrofit, off-road, overland and custom conversion projects where the M57 ECU needs to run in a standalone or semi-standalone setup.\u003c\/p\u003e\n\n\u003cp\u003eThe harness is available for BMW M57 D1 engines with DDE4 ECU and BMW M57N engines with DDE5 or DDE6 ECU variants. Because ECU versions and project requirements can differ, compatibility should always be confirmed before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eAvailable ECU Versions\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBMW M57 D1 — DDE4\u003c\/li\u003e\n  \u003cli\u003eBMW M57N — DDE5\u003c\/li\u003e\n  \u003cli\u003eBMW M57N — DDE6\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMain Connections\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eECU connector integration\u003c\/li\u003e\n  \u003cli\u003eBMW electronic throttle pedal connection\u003c\/li\u003e\n  \u003cli\u003eOBD2 diagnostic port connection\u003c\/li\u003e\n  \u003cli\u003eCAN Bus connection\u003c\/li\u003e\n  \u003cli\u003ePermanent +12V power supply connection (+30)\u003c\/li\u003e\n  \u003cli\u003eECU ground connection\u003c\/li\u003e\n  \u003cli\u003eOBD2 ground connection\u003c\/li\u003e\n  \u003cli\u003eEngine ON \/ kill switch input using +12V ignition signal (+15)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAvailable Signals and Outputs\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAnalog RPM signal output\u003c\/li\u003e\n  \u003cli\u003eAnalog fuel pump relay signal output\u003c\/li\u003e\n  \u003cli\u003eAnalog oil pressure signal connection, where supported by ECU version\u003c\/li\u003e\n  \u003cli\u003eOriginal BMW fan control support, where supported by ECU version\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Compatibility Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe analog oil pressure signal is only available on selected ECU versions. On some setups, the oil pressure signal must be taken directly from the engine sensor.\u003c\/li\u003e\n  \u003cli\u003eOriginal BMW fan control is only supported on certain ECU versions. If your ECU version does not support this function, we recommend using a separate custom PWM fan controller.\u003c\/li\u003e\n  \u003cli\u003eFinal wiring configuration depends on the ECU version, engine variant, vehicle platform and project requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBMW M57 engine swap projects\u003c\/li\u003e\n  \u003cli\u003eNissan Patrol M57 conversions\u003c\/li\u003e\n  \u003cli\u003eOff-road and overland vehicle builds\u003c\/li\u003e\n  \u003cli\u003eStandalone M57 engine installations\u003c\/li\u003e\n  \u003cli\u003eManual and automatic transmission conversion projects\u003c\/li\u003e\n  \u003cli\u003eCustom restomod and diesel performance builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis wiring harness is a universal conversion product created to simplify the electrical integration of BMW M57 engines in non-BMW vehicles. It provides the core power, ECU, diagnostic, throttle pedal and signal connections required for a clean standalone engine installation.\u003c\/p\u003e\n\n\u003cp\u003eBefore ordering, please confirm your ECU version, engine variant and project setup so the harness can be matched to the correct BMW M57 configuration.\u003c\/p\u003e","brand":"FastMotion Automotive","offers":[{"title":"Default Title","offer_id":51944853537114,"sku":"ELE-M57-WIRE-SWAP","price":544.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/8109\/1162\/files\/bmw-m57-simplified-wiring_aaa719a3-e656-4bd9-adc9-1a2d365d92a6.webp?v=1756324040","url":"https:\/\/www.fastmotion.com\/products\/bmw-m57-swap-wiring-harness","provider":"FastMotion Automotive","version":"1.0","type":"link"}