{"product_id":"bevinsee-engine-oil-thermostat-housing-cover-plug-kit-for-bmw-n54-n55-s55-e90-e92-e93-e91-e60-e82-f10-f30-f20-x3-f25-e84-x1-m3-4","title":"BMW N54 \/ N55 \/ S55 Engine Billet Aluminium Oil Thermostat Housing Cover \u0026 Plug Kit (Replaces 11617568552)","description":"\u003cp\u003e\nReplace your aged factory oil thermostat housing cover and plug with this premium billet aluminium upgrade, precision CNC-machined from aircraft-grade aluminium for permanent durability and a refined engine bay aesthetic. The factory oil thermostat housing cover and plug on N54, N55, and S55 engines are common engine bay components that suffer from aging, surface degradation, and seal failure over time — leaving the engine bay looking tired and creating potential oil leak points at high-mileage. This billet aluminium replacement kit permanently solves the durability problem while introducing a clean, motorsport-grade aesthetic to one of the most visible engine bay locations. Anodized finish maintains the premium appearance over long-term heat exposure, and CNC-machined precision ensures perfect OE-grade fitment for clean, professional installation.\n\u003c\/p\u003e\n\n\u003ch6\u003eFeatures:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eHigher quality construction – CNC machined from aircraft-grade billet aluminium for permanent durability and superior strength compared to factory components\u003c\/li\u003e\n\u003cli\u003eAnodized surface finish – delivers a premium appearance with rust resistance and superior corrosion protection over long-term engine bay heat exposure\u003c\/li\u003e\n\u003cli\u003ePrecision engineering – manufactured using latest-generation CNC technology for high dimensional accuracy and perfect OE-grade fitment\u003c\/li\u003e\n\u003cli\u003eUnique design aesthetic – adds a clean, motorsport-inspired styling element to the engine compartment\u003c\/li\u003e\n\u003cli\u003eDirect OE replacement – installs into factory oil thermostat housing mounting points without modification\u003c\/li\u003e\n\u003cli\u003eWide cross-platform compatibility – fits the entire N54, N55, and S55 BMW engine family across multiple chassis\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: Oil Thermostat Housing Cover \u0026amp; Plug Kit\u003c\/li\u003e\n\u003cli\u003eMaterial: Billet Aluminium (Aircraft-Grade)\u003c\/li\u003e\n\u003cli\u003eConstruction: CNC Machined\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Anodized\u003c\/li\u003e\n\u003cli\u003eQuantity: Complete Cover \u0026amp; Plug Set\u003c\/li\u003e\n\u003cli\u003ePosition: Oil Thermostat Housing\u003c\/li\u003e\n\u003cli\u003eEngine Compatibility: BMW N54, N55, and S55\u003c\/li\u003e\n\u003cli\u003ePurpose: Performance Replacement \/ Engine Bay Aesthetic Upgrade\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eOE \/ Replacement Part Numbers:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e11 61 7 568 552 \/ 11617568552 (Plug)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eFitment:\u003c\/h6\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with BMW N54, N55, and S55 engines only. Verify your engine code before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eBMW 1 Series:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBMW E82 1 Series M Coupe (2011) – N54\u003c\/li\u003e\n\u003cli\u003eBMW E82 \/ E88 135i (2009 – 2013) – N54 \/ N55\u003c\/li\u003e\n\u003cli\u003eBMW E82 \/ E88 135is (2012 – 2013) – N55\u003c\/li\u003e\n\u003cli\u003eBMW F20 \/ F21 M135i (2012 – 2016) – N55\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBMW 2 Series:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBMW F22 \/ F23 M235i (2013 – 2016) – N55\u003c\/li\u003e\n\u003cli\u003eBMW F87 M2 (2016 – 2018) – N55\u003c\/li\u003e\n\u003cli\u003eBMW F87 M2 Competition (2019 – 2021) – S55\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBMW 3 Series:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBMW E90 \/ E91 \/ E92 \/ E93 335i (2009 – 2013) – N54 \/ N55\u003c\/li\u003e\n\u003cli\u003eBMW F30 \/ F31 \/ F34 335i (2011 – 2015) – N55\u003c\/li\u003e\n\u003cli\u003eBMW Alpina B3 E90 (2007 – 2010) – N54\u003c\/li\u003e\n\u003cli\u003eBMW F80 M3 (2014 – 2018) – S55\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBMW 4 Series:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBMW F32 \/ F33 \/ F36 435i (2013 – 2016) – N55\u003c\/li\u003e\n\u003cli\u003eBMW F82 \/ F83 M4 (2014 – 2020) – S55\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBMW 5 Series:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBMW E60 \/ E61 535i (2009 – 2010) – N54 \/ N55\u003c\/li\u003e\n\u003cli\u003eBMW F07 \/ F10 \/ F11 535i (2010 – 2017) – N55\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBMW 6 Series:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBMW F06 \/ F12 \/ F13 640i (2011 – 2018) – N55\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBMW X1:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBMW E84 X1 xDrive35i (2012 – 2015) – N55\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBMW X3:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBMW F25 X3 xDrive35i (2010 – 2017) – N55\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBMW Z4:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBMW E89 Z4 sDrive35i (2009 – 2016) – N54 \/ N55\u003c\/li\u003e\n\u003cli\u003eBMW E89 Z4 sDrive35is (2011 – 2016) – N54\u003c\/li\u003e\n\u003cli\u003eCompatible with N54, N55, and S55 engine variants only – not compatible with N20, N52, B58, S58, or other BMW engine families\u003c\/li\u003e\n\u003cli\u003eConfirm engine code is N54, N55, or S55 before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eContents:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e1x Billet Aluminium Oil Thermostat Housing Cover\u003c\/li\u003e\n\u003cli\u003e1x Billet Aluminium Oil Thermostat Housing Plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eSealing Ring Note:\u003c\/h6\u003e\n\u003cp\u003eThe kit does not include a replacement sealing ring. Source a φ38 x φ2.5 O-ring separately for proper sealing during installation.\u003c\/p\u003e\n\n\u003ch6\u003eBenefits:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eAircraft-grade billet aluminium construction permanently outlasts the factory thermostat housing components, eliminating recurring failure modes that can develop with aged factory parts\u003c\/li\u003e\n\u003cli\u003eAnodized finish maintains the premium aluminium appearance over long-term engine bay heat exposure without fading, corrosion, or surface degradation\u003c\/li\u003e\n\u003cli\u003eCNC-machined precision ensures OE-grade fitment for a clean, professional installation that maintains proper oil thermostat sealing\u003c\/li\u003e\n\u003cli\u003eSignificant engine bay aesthetic upgrade – transforms a typically overlooked component into a clean, machined aluminium accent that elevates the overall engine bay appearance\u003c\/li\u003e\n\u003cli\u003eWide cross-platform compatibility makes this a versatile upgrade for BMW enthusiasts who manage multiple N54\/N55\/S55-equipped vehicles or workshops servicing diverse BMW models\u003c\/li\u003e\n\u003cli\u003ePairs naturally with other engine bay billet aluminium dress-up parts for a coordinated motorsport-grade engine bay aesthetic\u003c\/li\u003e\n\u003cli\u003eDirect OE replacement design enables straightforward installation without specialized tools or modifications\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 code is N54, N55, or S55 before ordering – BMW uses different oil thermostat designs across other engine families\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing ring not included:\u003c\/strong\u003e Source a φ38 x φ2.5 O-ring separately before installation – do not reuse the factory O-ring, as it may be hardened or compressed from previous service\u003c\/li\u003e\n\u003cli\u003eAllow the engine to fully cool before beginning service to avoid burns from hot engine components\u003c\/li\u003e\n\u003cli\u003eDrain or contain oil that may release during housing cover removal – have a clean catch container ready to prevent spillage\u003c\/li\u003e\n\u003cli\u003eCarefully remove the existing factory cover and plug – take note of original orientation and torque settings during removal\u003c\/li\u003e\n\u003cli\u003eClean the mating surfaces thoroughly before installing the new aluminium components – any debris or old gasket material will compromise sealing\u003c\/li\u003e\n\u003cli\u003eApply a small amount of clean engine oil to the new O-ring before installation to ensure smooth seating and prevent damage during fitment\u003c\/li\u003e\n\u003cli\u003eTighten the new components to manufacturer-specified torque values – do not overtighten, as excessive torque can damage the aluminium threads or distort the O-ring seal\u003c\/li\u003e\n\u003cli\u003eInspect for oil leaks at the housing after the engine reaches operating temperature\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended if you are unfamiliar with engine oil 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 (must be N54, N55, or S55) 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 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