{"product_id":"bmw-aluminum-thermostat-housing-upgrade-replacement-improved-cooling-system-reliability-e46-e39-e60-e61-e38-e65-e66-x3-x5-z3-z4-copy","title":"BMW Aluminum Thermostat Housing Upgrade Replacement – Improved Cooling System Reliability – E46 E39 E60 E61 E38 E65 E66 X3 X5 Z3 Z4 | Replaces Part No. 11521712058","description":"\u003cp class=\"p1\"\u003e\u003cstrong\u003eUpgrade your BMW’s cooling system with this aluminum thermostat housing replacement, designed to improve reliability over the factory-style plastic housing. The thermostat housing plays a critical role in sealing the thermostat connection and helping regulate coolant flow through the engine.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eOver time, factory plastic thermostat housings can become brittle from repeated heat cycles, coolant pressure, and age. Once weakened, the housing may crack, warp, or leak, leading to coolant loss, overheating, low coolant warnings, and potential engine damage. This aluminum replacement provides a stronger, more durable solution for long-term cooling system dependability.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis upgrade is ideal for preventative maintenance, cooling system refreshes, or replacing a cracked, leaking, or aging thermostat housing on compatible BMW models.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAluminum thermostat housing upgrade replacement\u003c\/li\u003e\n\u003cli\u003eImproved durability over factory-style plastic housings\u003c\/li\u003e\n\u003cli\u003eHelps restore a secure thermostat seal\u003c\/li\u003e\n\u003cli\u003eSupports proper coolant flow and temperature regulation\u003c\/li\u003e\n\u003cli\u003eHelps prevent coolant leaks, overheating, and cooling system pressure loss\u003c\/li\u003e\n\u003cli\u003eIdeal for cooling system repairs and preventative maintenance\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible BMW E46, E39, E60, E61, E38, E65, E66, X3, X5, Z3, and Z4 models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFITMENT: BMW 3 Series \/ 5 Series \/ 7 Series \/ X5 \/ Z3\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p2\"\u003eBMW 3 Series – E36\u003cbr\u003eProduction Date: 11\/1989-10\/1999\u003c\/li\u003e\n\u003cli class=\"p2\"\u003eBMW 3 Series – E46\u003cbr\u003eProduction Date: 04\/1997-08\/2006\u003c\/li\u003e\n\u003cli class=\"p2\"\u003eBMW 5 Series – E34\u003cbr\u003eProduction Date: 03\/1987-06\/1996\u003c\/li\u003e\n\u003cli class=\"p2\"\u003eBMW 5 Series – E39\u003cbr\u003eProduction Date: 02\/1995-12\/2003\u003c\/li\u003e\n\u003cli class=\"p2\"\u003eBMW 7 Series – E32\u003cbr\u003eProduction Date: 10\/1985-03\/1994\u003c\/li\u003e\n\u003cli class=\"p2\"\u003eBMW 7 Series – E38\u003cbr\u003eProduction Date: 03\/1995-07\/2001\u003c\/li\u003e\n\u003cli class=\"p2\"\u003eBMW X5 – E53\u003cbr\u003eProduction Date: 08\/1999-09\/2006\u003c\/li\u003e\n\u003cli class=\"p2\"\u003eBMW Z3 – E36\u003cbr\u003eProduction Date: 04\/1996-06\/2002\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003ePlease verify your original part number before ordering to confirm compatibility.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eReplaces Part No. 11521712058\u003c\/b\u003e\u003c\/p\u003e","brand":"BAVMODS®","offers":[{"title":"Default Title","offer_id":47620952391870,"sku":null,"price":138.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0619\/8788\/1150\/files\/S6d0f911542cd489fa4aa05e1243cf9fa4_jpg_960x960q75_jpg.avif?v=1781145514","url":"https:\/\/bavmods.com\/de\/products\/bmw-aluminum-thermostat-housing-upgrade-replacement-improved-cooling-system-reliability-e46-e39-e60-e61-e38-e65-e66-x3-x5-z3-z4-copy","provider":"BAVMODS®","version":"1.0","type":"link"}