{"product_id":"bmw-coolant-thermostat-unit-genuine-part-11538642","title":"BMW Coolant Thermostat Unit – Genuine Part 11538642","description":"\u003ch1\u003e\u003cstrong\u003eBMW Engine Coolant Thermostat Assembly (Heat Management Module)\u003c\/strong\u003e\u003c\/h1\u003e\n\n\u003cp\u003e\u003cstrong\u003eOEM Replacement – Part Number 11538642559\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eFits BMW Models with B58 \/ B58B30 Engines (2019–2026)\u003c\/strong\u003e\u003cbr\u003e\n \u003c\/p\u003e\n\n\u003cp\u003eUpgrade your BMW’s cooling system with this \u003cstrong\u003eOEM-spec Heat Management Module (Coolant Thermostat Assembly)\u003c\/strong\u003e. This unit is manufactured to match BMW’s original design specifications but is \u003cstrong\u003enot a Genuine BMW-branded part\u003c\/strong\u003e. It offers precise control of coolant flow for modern B-series engines and restores proper temperature regulation for optimal engine performance.\u003c\/p\u003e\n\n\u003cp\u003eThis OEM unit includes the required sealing O-rings and gaskets for installation. \u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e\u003cstrong\u003eOEM-Spec Replacement\u003c\/strong\u003e – Matches the function and design of the original BMW part\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e\u003cstrong\u003eNot Genuine BMW\u003c\/strong\u003e – Third-party manufactured to OEM standards\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e\u003cstrong\u003eIncludes O-Rings \u0026amp; Gaskets\u003c\/strong\u003e – Ready for installation\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e\u003cstrong\u003ePrecision Temperature Control\u003c\/strong\u003e – Supports rapid warm-up and efficient cooling\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e\u003cstrong\u003eDesigned for BMW B58\/B58B30 Engines\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e\u003cstrong\u003eDirect Fit Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e\u003cstrong\u003eNO WARRANTY PROVIDED UNLESS FITTED BY RMI APPROVED WORKSHOP\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp\u003eThis Heat Management Module (HMM) is an electronically controlled coolant thermostat used in BMW’s B-series engines. Instead of a simple open\/close valve, it uses a \u003cstrong\u003erotary coolant control valve\u003c\/strong\u003e that adjusts flow dynamically for precise heat regulation.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCommon Symptoms of Failure\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eEngine overheating\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eEngine running hotter than normal\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eLong warm-up time\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eCooling system fault messages\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eDiagnostic codes: \u003cstrong\u003e20F220, 20F206, 20A704\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eReplacing a faulty HMM restores correct coolant circulation and helps prevent engine damage.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eVehicle Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBMW X5 (G05) – 2019–2023\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003exDrive40i (B58B30M0)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003esDrive40i (B58B30M0)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003exDrive45e (B58B30M1 – PHEV)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBMW X7 (G07) – 2019–2022\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003exDrive40i (B58B30M0)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBMW 540i \/ 540i xDrive – 2020–2023\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eRWD \u0026amp; AWD\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eGas and Mild Hybrid versions\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eEngines: B58B30M0 \/ MHEV\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBMW 740i \/ 745e – 2020–2022\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e740i \/ 740i xDrive\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e745e PHEV\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBMW 8 Series (840i \/ 840i xDrive \/ Gran Coupe)\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eModels \u003cstrong\u003e2020–2026\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eCoupe, Convertible, Gran Coupe\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eB58B30M0 engines\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBMW M340i \/ M340i xDrive – 2020–2024\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eB58B30O1 engines\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eRWD, AWD, and MHEV models\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBMW X3 M40i – 2020–2024\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eB58B30O1\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBMW X4 M40i – 2020–2025\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eB58B30O1\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBMW X6 40i – 2020–2023\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eB58B30M0 engines\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBMW Z4 M40i – 2020–2026\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eB58B30O1 engines\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBMW M240i \/ M240i xDrive – 2022–2025\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eB58B30O1 \/ B58B30M0 engines\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e\u003cstrong\u003e1 × OEM Engine Coolant Thermostat Assembly (Heat Management Module)\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e\u003cstrong\u003eIncluded:\u003c\/strong\u003e O-rings \u0026amp; gaskets\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eThis is an \u003cstrong\u003eOEM replacement\u003c\/strong\u003e, \u003cstrong\u003eNOT a Genuine BMW part\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eProfessional installation is recommended to activate warranty\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eAlways verify fitment using your vehicle’s \u003cstrong\u003eVIN\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"mvasparessa","offers":[{"title":"Default Title","offer_id":48783867085028,"sku":"11538642559","price":3699.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9270\/0644\/files\/99aeda0d-19c9-48cd-a1b2-5b9d52ff4fbb.jpg?v=1783421214","url":"https:\/\/www.mvaspares.co.za\/products\/bmw-coolant-thermostat-unit-genuine-part-11538642","provider":"mvasparessa","version":"1.0","type":"link"}