{"product_id":"lasting-car-upgraded-coolant-hose-connector-aluminum-fitment-11537639997-for-bmw-f20-f30-f10-n20","title":"BMW N20 \/ N26 Engine Aluminum Coolant Hose Connector for F20 \/ F21 \/ F22 \/ F23 \/ F30 \/ F31 \/ F32 \/ F33 \/ F34 \/ F36 \/ F10 \/ E84 X1 \/ E89 Z4 (Replaces 11537639997)","description":"\u003cp\u003e\nPermanently solve one of the most common cooling system failure points on N20 and N26 engines with this premium aluminum coolant hose connector, manufactured to factory specifications and built to outlast the failure-prone plastic original. The factory plastic coolant hose connector at part number 11537639997 is a notorious weak point in the N20 \/ N26 cooling system — the plastic material becomes brittle with sustained heat cycling and pressurization, eventually cracking and causing coolant leaks that lead to overheating, low coolant warnings, and potentially catastrophic engine damage if left unaddressed. The failure typically develops without warning between 60,000 and 100,000 miles, leaving owners stranded or facing expensive towing and repair scenarios. This aluminum replacement permanently eliminates the plastic failure mode with metal construction designed to handle sustained high-temperature pressurized coolant operation for the lifetime of the vehicle.\n\u003c\/p\u003e\n\n\u003ch6\u003eFeatures:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003ePremium aluminum construction – delivers permanent durability compared to the failure-prone factory plastic original\u003c\/li\u003e\n\u003cli\u003eDirect OE replacement design – manufactured to factory specifications matching original equipment part number 11537639997\u003c\/li\u003e\n\u003cli\u003eHeat-resistant metal construction – designed to withstand sustained high-temperature pressurized coolant operation\u003c\/li\u003e\n\u003cli\u003eFailure-mode elimination – addresses one of the most common cooling system failure points on N20 \/ N26 engines\u003c\/li\u003e\n\u003cli\u003eSilver finish – clean professional appearance for engine bay aesthetics\u003c\/li\u003e\n\u003cli\u003eWide cross-platform compatibility – fits the entire N20 \/ N26 engine lineup across multiple BMW chassis\u003c\/li\u003e\n\u003cli\u003eCritical preventive maintenance – addresses a known failure point before it strands you on the road\u003c\/li\u003e\n\u003cli\u003eAffordable insurance against catastrophic cooling system failure – the small cost of replacement protects against expensive overheating damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eSpecifications:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eCondition: 100% Brand New\u003c\/li\u003e\n\u003cli\u003eType: Coolant Hose Connector\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum (Metal Construction)\u003c\/li\u003e\n\u003cli\u003eColor: Silver\u003c\/li\u003e\n\u003cli\u003eQuantity: 1 connector per pack\u003c\/li\u003e\n\u003cli\u003ePosition: Engine Coolant System\u003c\/li\u003e\n\u003cli\u003eEngine Compatibility: BMW N20 \/ N26\u003c\/li\u003e\n\u003cli\u003ePurpose: Direct OE Replacement \/ Cooling System Failure Prevention\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eOE \/ Replacement Part Numbers:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e11537639997 \/ 11 53 7 639 997\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eFitment:\u003c\/h6\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with BMW N20 and N26 engines. Verify your engine code before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch6\u003eBMW 1 Series:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eBMW F20 (07\/2010 – 02\/2015)\u003c\/li\u003e\n\u003cli\u003eBMW F20 LCI (05\/2014 – 06\/2016)\u003c\/li\u003e\n\u003cli\u003eBMW F21 (07\/2010 – 02\/2015)\u003c\/li\u003e\n\u003cli\u003eBMW F21 LCI (09\/2014 – 06\/2016)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eBMW 2 Series:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eBMW F22 (10\/2012 – 06\/2016)\u003c\/li\u003e\n\u003cli\u003eBMW F23 (04\/2014 – 06\/2016)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eBMW 3 Series:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eBMW F30 (04\/2011 – 07\/2015)\u003c\/li\u003e\n\u003cli\u003eBMW F30 LCI (12\/2014 – 10\/2018)\u003c\/li\u003e\n\u003cli\u003eBMW F31 (07\/2011 – 06\/2015)\u003c\/li\u003e\n\u003cli\u003eBMW F31 LCI (12\/2014 – 06\/2016)\u003c\/li\u003e\n\u003cli\u003eBMW F34 GT (07\/2012 – 06\/2016)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eBMW 4 Series:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eBMW F32 (11\/2012 – 06\/2016)\u003c\/li\u003e\n\u003cli\u003eBMW F33 (03\/2013 – 02\/2017)\u003c\/li\u003e\n\u003cli\u003eBMW F36 Gran Coupe (07\/2013 – 12\/2016)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eBMW 5 Series:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eBMW F10 (06\/2010 – 06\/2013)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eBMW X \/ Z Series:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eBMW X1 E84 (04\/2009 – 06\/2015)\u003c\/li\u003e\n\u003cli\u003eBMW Z4 E89 (01\/2011 – 08\/2016)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\u003cli\u003eCompatible with BMW N20 and N26 engine variants only\u003c\/li\u003e\n\u003cli\u003eConfirm engine code before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eContents:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e1x Aluminum Coolant Hose Connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eWhy the Factory Plastic Connector Fails:\u003c\/h6\u003e\n\u003cp\u003eThe factory coolant hose connector is manufactured from plastic that becomes increasingly brittle with sustained heat cycling between cold start and operating temperature, combined with constant pressure from the cooling system. Over time, the plastic develops microscopic stress cracks that progress until catastrophic failure — typically presenting as a sudden coolant leak, low coolant warning, or overheating event. The failure is well-documented in the BMW N20 \/ N26 community and represents one of the most common cooling system service items on these engines. Replacing the plastic original with this aluminum version permanently eliminates the failure mode, providing peace of mind for the lifetime of the vehicle.\u003c\/p\u003e\n\n\u003ch6\u003eBenefits:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003ePermanently eliminates one of the most well-documented cooling system failure points on N20 \/ N26 engines – the plastic original is a known weak point that fails predictably with age\u003c\/li\u003e\n\u003cli\u003ePrevents the cascade of damage that develops when the connector fails – including coolant loss, overheating, head gasket damage, and potentially catastrophic engine damage\u003c\/li\u003e\n\u003cli\u003eAluminum construction permanently outlasts the factory plastic original – will not crack, become brittle, or fail under sustained heat cycling\u003c\/li\u003e\n\u003cli\u003eDirect factory-spec replacement enables clean modification-free installation\u003c\/li\u003e\n\u003cli\u003eResolves common cooling system symptoms – including coolant leaks at the connector area, low coolant warnings, and overheating events\u003c\/li\u003e\n\u003cli\u003eCritical preventive maintenance for any aged BMW N20 \/ N26 engine – this is one of the most common failure points on these engines\u003c\/li\u003e\n\u003cli\u003eSignificant cost savings compared to potential overheating damage – this affordable replacement is essentially insurance against expensive engine repairs\u003c\/li\u003e\n\u003cli\u003eWide cross-platform compatibility makes this versatile for BMW enthusiasts who manage multiple N20 \/ N26 chassis\u003c\/li\u003e\n\u003cli\u003eFoundation product for any BMW N20 \/ N26 cooling system refresh – pairs naturally with other cooling system maintenance items\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eSymptoms of Failed Coolant Hose Connector:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eVisible coolant leak at the connector location\u003c\/li\u003e\n\u003cli\u003eLow coolant warning light or messages\u003c\/li\u003e\n\u003cli\u003eSweet smell of coolant in the engine bay or under the vehicle\u003c\/li\u003e\n\u003cli\u003eCoolant residue or staining around the connector area\u003c\/li\u003e\n\u003cli\u003eOverheating events or higher than normal coolant temperatures\u003c\/li\u003e\n\u003cli\u003eVisible cracks or damage to the plastic connector during inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eInstallation Notes:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine compatibility verification required:\u003c\/strong\u003e Confirm your engine is the BMW N20 or N26 variant before ordering – this product is not compatible with other BMW engine families\u003c\/li\u003e\n\u003cli\u003eAllow the engine to fully cool before beginning installation – cooling system service on hot engines can cause severe burns from pressurized coolant\u003c\/li\u003e\n\u003cli\u003eCarefully relieve coolant system pressure before disconnecting any hoses – never open a hot pressurized cooling system\u003c\/li\u003e\n\u003cli\u003ePosition a clean drain pan beneath the work area to catch coolant during disassembly\u003c\/li\u003e\n\u003cli\u003eDocument the original hose routing and connector orientation before removal – take photos for reference\u003c\/li\u003e\n\u003cli\u003eCarefully disconnect the coolant hoses from the existing connector – inspect hoses for any damage during removal\u003c\/li\u003e\n\u003cli\u003eRemove the failed plastic connector – note any debris or cracks that may have entered the cooling system\u003c\/li\u003e\n\u003cli\u003eIf the system is contaminated with plastic debris from a failed connector, consider flushing the cooling system before installing the new connector\u003c\/li\u003e\n\u003cli\u003eInstall the new aluminum connector in the factory position – verify proper orientation\u003c\/li\u003e\n\u003cli\u003eReconnect coolant hoses, ensuring proper hose seating and clamp engagement\u003c\/li\u003e\n\u003cli\u003eReplace any worn or damaged coolant hoses, clamps, or related cooling system components during installation\u003c\/li\u003e\n\u003cli\u003eRefill the cooling system with manufacturer-specified BMW coolant (typically G48 specification)\u003c\/li\u003e\n\u003cli\u003eProperly bleed the cooling system to remove all air pockets – consult vehicle service documentation for the correct bleeding procedure on your specific BMW chassis\u003c\/li\u003e\n\u003cli\u003eRun the engine to operating temperature and verify no leaks at the connector area\u003c\/li\u003e\n\u003cli\u003eRe-check coolant level after the engine has cooled and top up as needed\u003c\/li\u003e\n\u003cli\u003eInspect cooling system periodically after installation for any signs of leakage\u003c\/li\u003e\n\u003cli\u003eProfessional installation strongly recommended unless you have experience with BMW cooling system service procedures\u003c\/li\u003e\n\u003cli\u003eIf unsure about compatibility with your specific BMW variant or engine code, contact our team with your year, model, and engine code before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eWarranty:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e12-month standard warranty from date of purchase\u003c\/li\u003e\n\u003cli\u003eContact our support team for assistance with any issues\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":46028064424170,"sku":"1005009453140703-Silver","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/S2ce65ed4f49f4ccab8435c718c36a93b4.webp?v=1778055296","url":"https:\/\/www.k2-industries.com\/en-de\/products\/lasting-car-upgraded-coolant-hose-connector-aluminum-fitment-11537639997-for-bmw-f20-f30-f10-n20","provider":"K2 Industries","version":"1.0","type":"link"}