{"product_id":"bmw-e39-525i-m54-ecu-ms43-engine-control-unit-kit-7519308-oem-2004-complete-set","title":"BMW E39 525i M54 ECU MS43 Engine Control Unit Kit 7519308 OEM 2004 Complete Set","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:abd91ccf-8934-475d-bc80-43a6da725153-36\" data-testid=\"conversation-turn-60\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"fa1e18ab-a231-4a43-a6b9-649d5b2d925c\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003ch2 data-start=\"190\" data-end=\"216\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"193\" data-end=\"216\"\u003eProduct Description\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"217\" data-end=\"405\"\u003eReplace your faulty or non-starting ECU system with this OEM \u003cstrong data-start=\"278\" data-end=\"309\"\u003eBMW Engine Control Unit Kit\u003c\/strong\u003e, part number \u003cstrong data-start=\"323\" data-end=\"334\"\u003e7519308\u003c\/strong\u003e, designed for the \u003cstrong data-start=\"353\" data-end=\"404\"\u003eBMW 525i E39 2004 with M54 engine (MS43 system)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"407\" data-end=\"679\"\u003eThe MS43 ECU is the \u003cstrong data-start=\"427\" data-end=\"462\"\u003emain engine management computer\u003c\/strong\u003e, controlling fuel injection, ignition timing, VANOS operation, and overall engine performance. This is a \u003cstrong data-start=\"568\" data-end=\"587\"\u003ematched ECU kit\u003c\/strong\u003e, providing a reliable solution for ECU failure, immobilizer issues, or no-start conditions.\u003c\/p\u003e\n\u003chr data-start=\"681\" data-end=\"684\"\u003e\n\u003ch2 data-start=\"686\" data-end=\"708\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"689\" data-end=\"708\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"709\" data-end=\"855\"\u003e\n\u003cli data-start=\"709\" data-end=\"749\"\u003eEngine Control Unit (DME \/ MS43 ECU)\u003c\/li\u003e\n\u003cli data-start=\"750\" data-end=\"814\"\u003eImmobilizer matched components (EWS system depending on kit)\u003c\/li\u003e\n\u003cli data-start=\"815\" data-end=\"855\"\u003eKey \/ transponder (if included in set)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"857\" data-end=\"913\"\u003e👉 All parts are \u003cstrong data-start=\"874\" data-end=\"913\"\u003ematched from the same donor vehicle\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"915\" data-end=\"918\"\u003e\n\u003ch2 data-start=\"920\" data-end=\"935\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"923\" data-end=\"935\"\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"936\" data-end=\"1151\"\u003e\n\u003cli data-start=\"936\" data-end=\"960\"\u003eOEM BMW MS43 ECU Kit\u003c\/li\u003e\n\u003cli data-start=\"961\" data-end=\"989\"\u003ePart Number: \u003cstrong data-start=\"976\" data-end=\"987\"\u003e7519308\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"990\" data-end=\"1024\"\u003eFits BMW E39 525i (M54 engine)\u003c\/li\u003e\n\u003cli data-start=\"1025\" data-end=\"1062\"\u003eComplete engine management system\u003c\/li\u003e\n\u003cli data-start=\"1063\" data-end=\"1115\"\u003ePlug-and-play when installed as full matched set\u003c\/li\u003e\n\u003cli data-start=\"1116\" data-end=\"1151\"\u003eDirect OEM replacement solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1153\" data-end=\"1156\"\u003e\n\u003ch2 data-start=\"1158\" data-end=\"1174\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1161\" data-end=\"1174\"\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1175\" data-end=\"1226\"\u003eUsed \/ OEM (tested working unless otherwise stated)\u003c\/p\u003e\n\u003chr data-start=\"1228\" data-end=\"1231\"\u003e\n\u003ch2 data-start=\"1233\" data-end=\"1255\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1236\" data-end=\"1255\"\u003eImportant Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1256\" data-end=\"1453\"\u003e\n\u003cli data-start=\"1256\" data-end=\"1307\"\u003eMust be installed as a \u003cstrong data-start=\"1281\" data-end=\"1305\"\u003ecomplete matched kit\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1308\" data-end=\"1363\"\u003eMay require minor coding depending on vehicle setup\u003c\/li\u003e\n\u003cli data-start=\"1364\" data-end=\"1405\"\u003eProfessional installation recommended\u003c\/li\u003e\n\u003cli data-start=\"1406\" data-end=\"1453\"\u003ePlease verify compatibility before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1455\" data-end=\"1458\"\u003e\n\u003ch2 data-start=\"1460\" data-end=\"1488\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1463\" data-end=\"1488\"\u003eCommon Symptoms Fixed\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1489\" data-end=\"1663\"\u003e\n\u003cli data-start=\"1489\" data-end=\"1514\"\u003eEngine will not start\u003c\/li\u003e\n\u003cli data-start=\"1515\" data-end=\"1553\"\u003eECU failure or communication error\u003c\/li\u003e\n\u003cli data-start=\"1554\" data-end=\"1584\"\u003eImmobilizer \/ EWS mismatch\u003c\/li\u003e\n\u003cli data-start=\"1585\" data-end=\"1624\"\u003ePoor engine performance or misfires\u003c\/li\u003e\n\u003cli data-start=\"1625\" data-end=\"1663\"\u003eFault codes related to MS43 system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1665\" data-end=\"1668\"\u003e\n\u003ch2 data-start=\"1670\" data-end=\"1684\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1673\" data-end=\"1684\"\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1685\" data-end=\"1698\"\u003eBMW 5 Series:\u003c\/p\u003e\n\u003cul data-start=\"1699\" data-end=\"1746\"\u003e\n\u003cli data-start=\"1699\" data-end=\"1711\"\u003eE39 525i\u003c\/li\u003e\n\u003cli data-start=\"1712\" data-end=\"1726\"\u003eM54 engine\u003c\/li\u003e\n\u003cli data-start=\"1727\" data-end=\"1746\"\u003e2004 model year\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1748\" data-end=\"1751\"\u003e\n\u003ch2 data-start=\"1753\" data-end=\"1770\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1756\" data-end=\"1770\"\u003eTags\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1771\" data-end=\"1908\"\u003eBMW MS43 ECU 7519308, E39 525i ECU kit, BMW M54 engine control unit, BMW EWS ECU set, BMW engine computer MS43, BMW plug and play ECU kit\u003c\/p\u003e\n\u003chr data-start=\"1910\" data-end=\"1913\"\u003e\n\u003ch2 data-start=\"1915\" data-end=\"1935\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1918\" data-end=\"1935\"\u003eReturn Policy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1936\" data-end=\"2084\"\u003eReturns are accepted within \u003cstrong data-start=\"1964\" data-end=\"1987\"\u003e14 days of delivery\u003c\/strong\u003e. Items must be returned in the \u003cstrong data-start=\"2019\" data-end=\"2049\"\u003esame condition as received\u003c\/strong\u003e and in the \u003cstrong data-start=\"2061\" data-end=\"2083\"\u003eoriginal packaging\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2086\" data-end=\"2141\"\u003eThe buyer is responsible for \u003cstrong data-start=\"2115\" data-end=\"2140\"\u003ereturn shipping costs\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2143\" data-end=\"2225\"\u003eAny \u003cstrong data-start=\"2147\" data-end=\"2188\"\u003ecustoms fees, taxes, or import duties\u003c\/strong\u003e are the responsibility of the buyer.\u003c\/p\u003e\n\u003cp data-start=\"2227\" data-end=\"2419\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eAll parts are \u003cstrong data-start=\"2241\" data-end=\"2264\"\u003eused OEM components\u003c\/strong\u003e. We are not responsible for installation issues, coding requirements, or labor costs. Please ensure \u003cstrong data-start=\"2365\" data-end=\"2418\"\u003ecompatibility with your vehicle before purchasing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"AL IBDAA AL MUTAMAYEZ MAIN","offers":[{"title":"Default Title","offer_id":53740754665685,"sku":"AB71174","price":840.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9338\/3381\/files\/WhatsAppImage2026-04-25at10.14.40AM.jpg?v=1777742744","url":"https:\/\/dubai-parts.com\/ru\/products\/bmw-e39-525i-m54-ecu-ms43-engine-control-unit-kit-7519308-oem-2004-complete-set","provider":"Dubai Parts","version":"1.0","type":"link"}