{"product_id":"2003-bmw-525i-2-5l-used-engine","title":"2003 BMW 525i 2.5L Used Engine","description":"\u003ch1\u003e\u003cstrong\u003eRestore Your BMW 525i with a 2.5L Engine 2003, RWD\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eBring back the legendary smoothness of your\u003cspan\u003e \u003c\/span\u003e2003 BMW 525i (E39 chassis, RWD)\u003cspan\u003e \u003c\/span\u003ewith our BMW M54B25 2.5L inline-6 engine. This naturally aspirated powerplant delivers\u003cstrong\u003e \u003c\/strong\u003e184 HP\u003cstrong\u003e \u003c\/strong\u003eof refined BMW performance perfect for replacing a worn engine or restoring your classic 5 Series to its original driving character.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Details:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable style=\"width: 72.1562%; height: 203px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"text-align: center; width: 28.5097%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: center; width: 71.0551%; height: 19.5938px;\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"text-align: center; width: 28.5097%; height: 19.5938px;\"\u003eDisplacement\u003c\/td\u003e\n\u003ctd style=\"width: 71.0551%; height: 19.5938px; text-align: center;\"\u003e2.5L Inline-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"text-align: center; width: 28.5097%; height: 19.5938px;\"\u003eEngine Code\u003c\/td\u003e\n\u003ctd style=\"width: 71.0551%; height: 19.5938px; text-align: center;\"\u003eM54B25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 28.5097%; height: 19.5938px; text-align: center;\"\u003eHorsepower\u003c\/td\u003e\n\u003ctd style=\"width: 71.0551%; height: 19.5938px; text-align: center;\"\u003e184 HP @ 6,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 28.5097%; height: 19.5938px; text-align: center;\"\u003eTorque\u003c\/td\u003e\n\u003ctd style=\"width: 71.0551%; height: 19.5938px; text-align: center;\"\u003e175 lb-ft @ 3,500 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 28.5097%; height: 19.5938px; text-align: center;\"\u003eFuel System\u003c\/td\u003e\n\u003ctd style=\"width: 71.0551%; height: 19.5938px; text-align: center;\"\u003eSequential Multi-Port Fuel Injection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 28.5097%; height: 19.5938px; text-align: center;\"\u003eValvetrain\u003c\/td\u003e\n\u003ctd style=\"width: 71.0551%; height: 19.5938px; text-align: center;\"\u003eDouble-VANOS (Variable Valve Timing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 28.5097%; height: 19.5938px; text-align: center;\"\u003eBlock Material\u003c\/td\u003e\n\u003ctd style=\"width: 71.0551%; height: 19.5938px; text-align: center;\"\u003eAluminum with Nickel-Silicon Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003ch3\u003eCompatibility:\u003c\/h3\u003e\n\u003cp\u003e2003 BMW 525i (E39 chassis, RWD only)\u003cbr\u003eMust verify:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e7th VIN digit = confirms M54 engine\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNo xDrive badging or components \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\"M54B25\" casting mark on engine block\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy Choose This Engine?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eClassic BMW Smoothness\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– 184 HP inline-6 with silky power delivery\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Engineering\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Double-VANOS for optimal performance at all RPMs\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLightweight \u0026amp; Durable\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Aluminum block with wear-resistant nickel-coated cylinders\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProven Reliability\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– DISA intake manifold enhances torque efficiency\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePricing Options:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003eWe price based on mileage to fit your needs:\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003e30,000 to 60,000 Miles\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003ePrice: \u003c\/span\u003e\u003c\/b\u003e$1,625.00\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003eBest value for money for moderately used engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003e60,000 to 90,000 Miles\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003ePrice: \u003c\/span\u003e\u003c\/b\u003e$1,267.00\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003eIdeal for budget-conscious customers who need a good engine with slightly used mileage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003e90,000 to 120,000 Miles\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003ePrice: \u003c\/span\u003e\u003c\/b\u003e$1,040.00\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003eA budget-friendly choice for consumers who value the functionality and price.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003e120,000 to 150,000 Miles\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003ePrice:\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003e \u003c\/span\u003e$833.30\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003eBudget-friendly choice for restoration projects or short-term use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eShipping information:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e320 lbs (crated)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e35\" L × 27\" W × 29\" H\u003c\/p\u003e\n\u003ch3\u003eShipping Options:\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eStandard Shipping: \u003c\/b\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003eAvailable for shipping within the continental U.S.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eExpedited Shipping: \u003c\/b\u003e\u003cspan style=\"mso-ansi-language: EN-US;\" lang=\"EN-US\"\u003eThe shipping can be expedited for an additional charge.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003eQ: Does the engine come with a warranty?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes! All our engines include a\u003cstrong\u003e \u003c\/strong\u003e60-day warranty\u003cspan\u003e \u003c\/span\u003ecovering manufacturing defects.\u003c\/p\u003e\n\u003ch3\u003eQ: How does this differ from the 3.0L M54B30?\u003c\/h3\u003e\n\u003cp\u003eA: The\u003cspan\u003e \u003c\/span\u003eM54B25 (2.5L)\u003cspan\u003e \u003c\/span\u003ehas slightly less power (184 HP vs. 215 HP) but retains the same smoothness and reliability.\u003c\/p\u003e\n\u003ch3\u003eQ: What if the engine doesn’t fit my car?\u003c\/h3\u003e\n\u003cp\u003eA: We offer a\u003cspan\u003e \u003c\/span\u003e60-day return policy\u003cspan\u003e \u003c\/span\u003eif the engine is not VIN-compatible—just contact us for assistance.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eReady to Restore Your 525i?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eBring back the classic driving experience of your BMW 525i with a genuine\u003cspan\u003e \u003c\/span\u003eM54B25 2.5L engine. Whether you're restoring a beloved E39 or need a reliable replacement, this engine delivers BMW’s signature performance.\u003c\/p\u003e","brand":"BMW","offers":[{"title":"30K-60K miles","offer_id":45478453248257,"sku":null,"price":3100.0,"currency_code":"USD","in_stock":true},{"title":"60K-90K miles","offer_id":45478453281025,"sku":null,"price":2350.0,"currency_code":"USD","in_stock":true},{"title":"90K-120K miles","offer_id":45478453313793,"sku":null,"price":1975.0,"currency_code":"USD","in_stock":true},{"title":"120K-150K miles","offer_id":45478453346561,"sku":null,"price":1850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/7471\/7441\/files\/mini-cooper-s-engine_7fddcc70-5a9c-4b94-bd68-300832c06611.jpg?v=1722868565","url":"https:\/\/www.bestuseautoparts.com\/products\/2003-bmw-525i-2-5l-used-engine","provider":"Best Use Auto Parts","version":"1.0","type":"link"}