{"product_id":"for-bmw-n63b44-v8-full-rebuild-kit","title":"GPQ N63B44 4.4L Engine Rebuild Kit Timing Chain Piston Conrod BMW 550i 750Li X5 X6","description":"\u003cdiv\u003e\u003cstrong\u003e\u003cspan data-spm-anchor-id=\"5176.28103460.0.i4.35a72988IUPX7y\"\u003e🔥 Premium Engine Rebuild Kit for BMW N63B44 4.4L V8 Twin Turbo\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eRestore the power and reliability of your BMW V8 engine! This comprehensive overhaul kit is specifically engineered for the N63B44 (4395cc) and its variants (S63B44A, N63M20A). It addresses common failure points including oil consumption, oil leaks, bearing wear, and timing chain issues.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e✅ Vehicle Compatibility\u003c\/strong\u003e\u003cbr\u003ePlease verify your engine code and VIN before purchasing. This kit fits:\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eX5 50i \/ xDrive50i:\u003c\/strong\u003e 2009-2018 (Chassis: E70, F15)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX6 50i \/ xDrive50i:\u003c\/strong\u003e 2007-2018 (Chassis: E71, F16)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e550i \/ xDrive550i:\u003c\/strong\u003e 2010-2017 (Chassis: F10, F11)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e650i \/ xDrive650i:\u003c\/strong\u003e 2011-2017 (Chassis: F06, F12)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e750i \/ xDrive750i \/ 750Li:\u003c\/strong\u003e 2008-2015 (Chassis: F01, F02, F03)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003e📦 Package Includes (Complete Overhaul Set)\u003c\/strong\u003e\u003c\/div\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 Set x Pistons \u0026amp; Piston Rings:\u003c\/strong\u003e High-strength aluminum alloy with optimized ring tension for superior compression and oil control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 Set x Overhaul Gasket Kit:\u003c\/strong\u003e Full set including head gaskets, valve cover gaskets, and oil pan gaskets. Upgraded materials to prevent common N63 oil leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 Set x Main \u0026amp; Connecting Rod Bearings:\u003c\/strong\u003e Precision-engineered bearings with enhanced oil film retention to prevent bearing failure and knocking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 Set x Timing Chain Kit w\/ VVT Gears:\u003c\/strong\u003e Reinforced chains and improved VVT gears to eliminate timing rattle, stretch, and phase deviation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e🔧 OE Part Number Reference\u003c\/strong\u003e\u003cbr\u003eCompatible with original part numbers:\u003cbr\u003e\u003ccode\u003e11147574373\u003c\/code\u003e, \u003ccode\u003e11257556955\u003c\/code\u003e, \u003ccode\u003e11317567503\u003c\/code\u003e, \u003ccode\u003e11217576760\u003c\/code\u003e, \u003ccode\u003e11217576763\u003c\/code\u003e, \u003ccode\u003e11217576766\u003c\/code\u003e, \u003ccode\u003e11240150237\u003c\/code\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e⚠️ Important Notes\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Variants:\u003c\/strong\u003e This kit is designed for N63B44A, S63B44A, and N63M20A engines. The N63 engine has undergone several revisions (TU). \u003cstrong\u003ePlease double-check your engine code\u003c\/strong\u003e to ensure 100% fitment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Engine rebuilding is a complex task. We strongly recommend installation by a certified mechanic experienced with BMW V8 engines. Follow BMW torque specifications strictly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleanliness:\u003c\/strong\u003e Ensure the engine block and all mating surfaces are thoroughly cleaned before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003e🛡️ Warranty \u0026amp; Support\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Year Warranty:\u003c\/strong\u003e We stand behind our quality. Covers manufacturing defects (non-human damage).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment Check:\u003c\/strong\u003e Unsure about compatibility? Send us your \u003cstrong\u003eVIN (Vehicle Identification Number)\u003c\/strong\u003e via chat before ordering, and our team will verify it for you!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003e🚚 Shipping\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eFast \u0026amp; Secure Packaging\u003c\/li\u003e\n\u003cli\u003ePlease allow 1-2 business days for order processing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GPQ","offers":[{"title":"Default Title","offer_id":49560000528536,"sku":"X004B5FT3J-Raw-0727","price":863.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7763\/8552\/files\/4.4L_Engine_Rebuild_Kit_for_BMW_N63B44.jpg?v=1785134521","url":"https:\/\/gpqengine.com\/products\/for-bmw-n63b44-v8-full-rebuild-kit","provider":"GpqEngine","version":"1.0","type":"link"}