{"product_id":"bmw-billet-aluminum-coolant-cap-replacement","title":"BMW Billet Aluminum Coolant Cap Replacement","description":"\u003ch2\u003eGerman Auto Solutions Billet Aluminum 1.2 Bar BMW Coolant Cap\u003c\/h2\u003e\n\u003cp\u003eReduce unnecessary stress on your BMW's aging cooling system with the \u003cstrong\u003eGerman Auto Solutions 1.2 Bar Billet Aluminum Coolant Cap\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMany BMWs manufactured from the 1980s through the mid-2000s were originally equipped with a \u003cstrong\u003e2.0 bar (29 PSI) cooling system cap\u003c\/strong\u003e. While this higher pressure raises the coolant's boiling point, it also places additional stress on the plastic expansion tanks, radiator end tanks, thermostat housings, hoses, and other cooling system components that become brittle with age and repeated heat cycles.\u003c\/p\u003e\n\u003cp\u003eGerman Auto Solutions developed this cap to reduce maximum cooling system pressure to \u003cstrong\u003e1.2 bar (17.5 PSI)\u003c\/strong\u003e. After extensive research and testing, G.A.S. determined that 1.2 bar provides sufficient pressure to maintain proper cooling system operation while reducing the maximum pressure placed on aging components.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1.2 Bar \/ 17.5 PSI pressure rating\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eReplaces applicable factory \u003cstrong\u003e2.0 Bar \/ 29 PSI\u003c\/strong\u003e caps\u003c\/li\u003e\n\u003cli\u003eHelps reduce stress on plastic cooling system components\u003c\/li\u003e\n\u003cli\u003eCNC-machined from \u003cstrong\u003e6061 billet aluminum\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnodized finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eLaser-etched pressure rating and German Auto Solutions branding\u003c\/li\u003e\n\u003cli\u003eUses \u003cstrong\u003eGenuine BMW internal components\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInternals recalibrated by German Auto Solutions to 1.2 bar\u003c\/li\u003e\n\u003cli\u003eFunctional cooling system upgrade and engine bay dress-up piece\u003c\/li\u003e\n\u003cli\u003eDesigned and manufactured by \u003cstrong\u003eGerman Auto Solutions\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Lower the Cooling System Pressure?\u003c\/h3\u003e\n\u003cp\u003eBMW cooling systems are well known for plastic components that can become brittle as they age. A sudden failure of an expansion tank, radiator tank, hose connection, or thermostat housing can quickly result in coolant loss and engine overheating.\u003c\/p\u003e\n\u003cp\u003eThe G.A.S. cap reduces maximum system pressure from approximately \u003cstrong\u003e29 PSI to 17.5 PSI\u003c\/strong\u003e, helping reduce the load placed on these aging components.\u003c\/p\u003e\n\u003cp\u003eThe 1.2 bar pressure setting is still high enough to maintain the cooling system's intended operating characteristics under normal conditions, with G.A.S. testing indicating OEM pressure requirements are maintained up to approximately \u003cstrong\u003e126°C \/ 260°F\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\n\u003cp\u003eA lower-pressure cap cannot prevent every cooling system failure. Old, cracked, damaged, or deteriorated components can still fail even at normal operating pressure.\u003c\/p\u003e\n\u003cp\u003eThis cap should be considered \u003cstrong\u003eadditional protection, not a substitute for proper cooling system maintenance\u003c\/strong\u003e. Worn expansion tanks, radiators, hoses, water pumps, and other components should still be replaced as necessary.\u003c\/p\u003e\n\u003ch3\u003eReplaces \/ Cross-References BMW Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e17110152374\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e17111742231\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e17117639022\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eA Simple Cooling System Upgrade\u003c\/h3\u003e\n\u003cp\u003eFor BMWs still using the original-style 2.0 bar cap, the German Auto Solutions 1.2 bar cap provides a simple way to reduce maximum cooling system pressure while adding a high-quality billet component to the engine bay.\u003c\/p\u003e\n\u003cp\u003eIf your coolant cap is more than five years old, replacing it during routine cooling system maintenance is also a good preventative-maintenance practice.\u003c\/p\u003e\n\u003ch3\u003eBMW Fitment Guide\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eModel \/ Series\u003c\/th\u003e\n\u003cth align=\"right\"\u003eApprox. Years\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE30\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1989–1992\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE31\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1991–1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE32\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1987–1994\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE34\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1988–1995\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1991–1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\/5\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Series Compact\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1995–1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\/7\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZ3 Roadster\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1996–2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\/8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZ3 Coupe\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1998–2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE38\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1995–2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE39\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1997–2003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE46\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1999–2006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE52\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZ8\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2000–2003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE53\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eX5\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2000–2006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE60\/E61\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2004–2010*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE63\/E64\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2004–2010*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE65\/E66\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2002–2008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE83\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eX3\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2004–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE85\/E86\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZ4\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2003–2008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eF01\/F02\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2009–2015*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eF06\/F12\/F13\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2012–2019*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eF07\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Series GT\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2010–2017*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eF10\/F11\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Series\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2011–2016*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*Fitment on later BMW chassis varies by engine, production date, and cooling-system configuration. BMW catalogs show the current 17117639022 cap extending into later F-series applications, so I would \u003cstrong\u003enot advertise every F-series BMW as compatible without VIN verification\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"German Auto Solutions","offers":[{"title":"Default Title","offer_id":43217647796318,"sku":"gas-billet-coolant-cap","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/0845\/3982\/files\/gas-billet-coolant-cap01.png?v=1787780416","url":"https:\/\/vanosrebuildkits.com\/products\/bmw-billet-aluminum-coolant-cap-replacement","provider":"VANOS Rebuild Kits","version":"1.0","type":"link"}