{"product_id":"bmw-engine-cooling-water-pipe-adapter-11127810707-aluminum","title":"BMW Cooling Water Pipe Adapter 11127810707 – Aluminum Alloy","description":"\n\u003ch2\u003eBMW Engine Block Water Pipe Adapter – OEM Part #11127810707\u003c\/h2\u003e\n\u003cp\u003eKeep your BMW's cooling system running at peak efficiency with this precision-machined aluminum water pipe adapter. Engineered to OEM specifications and compatible with a wide range of BMW 1, 3, 5, 7 Series, X3, and X5 models, this direct-fit coolant pipe joint delivers superior thermal management, leak-proof sealing, and long-lasting durability — ideal for DIY mechanics and professional technicians alike.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Aluminum Alloy Construction:\u003c\/strong\u003e Precision-machined from corrosion-resistant aluminum alloy for superior heat dissipation and stable performance under extreme engine temperatures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect-Fit OEM Design:\u003c\/strong\u003e Manufactured to exact OEM specifications (replaces part numbers 11127810707 \u0026amp; CH3115), ensuring a hassle-free, no-modification installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeak-Proof \u0026amp; Vibration Resistant:\u003c\/strong\u003e Engineered for a perfect hose seal with robust vibration resistance — keeping your cooling circuit secure on highways, during heavy towing, or on the track.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Durability:\u003c\/strong\u003e Aluminum construction withstands coastal climates and harsh weather conditions without rust or degradation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight Design:\u003c\/strong\u003e Reduces parasitic weight while maintaining structural integrity for the long haul.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eAvailable in Silver \u0026amp; Black Finish\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver \/ Black\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11127810707 \/ CH3115\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 18.5 cm \/ 7.28 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBMW 328d – 2014, 2015, 2016, 2017, 2018 (Sedan, Wagon, xDrive)\u003c\/li\u003e\n  \u003cli\u003eBMW 535d – 2014, 2015, 2016\u003c\/li\u003e\n  \u003cli\u003eBMW 535d xDrive – 2014, 2015, 2016\u003c\/li\u003e\n  \u003cli\u003eBMW 740Ld xDrive – 2015\u003c\/li\u003e\n  \u003cli\u003eBMW X3 xDrive28d – 2015, 2016, 2017\u003c\/li\u003e\n  \u003cli\u003eBMW X5 xDrive35d – 2014, 2015, 2016, 2017, 2018\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Aluminum Cooling Water Pipe Adapter (OEM #11127810707)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003ePlease allow 1–2 cm tolerance due to manual measurement. Monitor settings may affect the displayed color — the actual product color is silver or black as selected.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-50-psi-dial-tire-pressure-gauge-car-motorcycle-bike\"\u003e0–50 PSI Dial Tire Pressure Gauge – Car, Motorcycle \u0026amp; Bike\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-5l-electric-high-pressure-foam-sprayer-portable-car-wash-gun\"\u003e1.5L Electric Foam Sprayer – Portable High-Pressure Car Wash Gun\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-pin-pre-wired-glow-plug-connector-vw-audi-bmw-fiat-ford-55200755\"\u003e1-Pin Pre-Wired Glow Plug Connector | VW Audi BMW Fiat Ford\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on automotive cooling systems and engine maintenance best practices, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What BMW models is the 11127810707 water pipe adapter compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This aluminum cooling water pipe adapter (OEM #11127810707) is compatible with BMW 328d (2014–2018), BMW 535d \u0026amp; 535d xDrive (2014–2016), BMW 740Ld xDrive (2015), BMW X3 xDrive28d (2015–2017), and BMW X5 xDrive35d (2014–2018).\u003c\/p\u003e\n\u003ch4\u003eQ: Is this a direct OEM replacement or an aftermarket part?\u003c\/h4\u003e\n\u003cp\u003eA: This is a precision-engineered aftermarket replacement that matches OEM part number 11127810707 (also cross-references CH3115). It is manufactured to exact OEM specifications for a direct-fit installation with no modifications required.\u003c\/p\u003e\n\u003ch4\u003eQ: What material is this BMW coolant pipe adapter made from?\u003c\/h4\u003e\n\u003cp\u003eA: The adapter is crafted from high-efficiency aluminum alloy, which offers excellent heat dissipation, corrosion resistance, and a lightweight build — making it a durable long-term replacement for your BMW's cooling system.\u003c\/p\u003e\n\u003ch4\u003eQ: Is installation difficult for a DIY mechanic?\u003c\/h4\u003e\n\u003cp\u003eA: No. Thanks to its direct-fit design and precise OEM dimensions, this coolant pipe adapter can be installed without special tools or modifications. It's suitable for both professional technicians and experienced DIY enthusiasts.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What BMW models is the 11127810707 water pipe adapter compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This aluminum cooling water pipe adapter (OEM #11127810707) is compatible with BMW 328d (2014–2018), BMW 535d \u0026amp; 535d xDrive (2014–2016), BMW 740Ld xDrive (2015), BMW X3 xDrive28d (2015–2017), and BMW X5 xDrive35d (2014–2018).\"}}, {\"@type\": \"Question\", \"name\": \"Is this a direct OEM replacement or an aftermarket part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This is a precision-engineered aftermarket replacement that matches OEM part number 11127810707 (also cross-references CH3115). 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