{"product_id":"bilstein-37-239800-bmw-e83-b3-oe-replacement-front-coil-spring-inc-3-0d-xdrive-30d-3-0-sd","title":"BMW X3 E83 Front Coil Spring BILSTEIN-37-239800 - N54\/N55\/Diesel Fast Road \u0026 Daily Driver","description":"\u003cp\u003eFront coil spring for BMW X3 E83 (2003-2011), designed to match OE geometry and ride height - but built for longevity, not just compliance. Fits all E83 variants: 3.0d, xDrive 30d, 3.0sd, and petrol models including those with N54 and N55 engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot an OEM replacement\u003c\/strong\u003e - it’s a Bilstein B3 OE-spec spring, hot-set from chrome vanadium steel for zero sag and consistent rate\u003c\/li\u003e\n\u003cli\u003eDirect-fit pigtail ends and minibloc shape - no spacers, no shims, no guesswork on front axle install\u003c\/li\u003e\n\u003cli\u003eStiffness and travel tuned for fast road use and daily driver resilience; also used by track day crews doing light-duty E83 duty\u003c\/li\u003e\n\u003cli\u003eCommonly searched as: \u003cstrong\u003eX3 E83 front spring\u003c\/strong\u003e, \u003cstrong\u003eBILSTEIN-37-239800\u003c\/strong\u003e, \u003cstrong\u003eBMW E83 front coil spring N54\u003c\/strong\u003e, \u003cstrong\u003efast road spring for X3 3.0d\u003c\/strong\u003e, \u003cstrong\u003etrack day front spring E83\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBecause race car.\u003c\/p\u003e","brand":"Bilstein","offers":[{"title":"Default Title","offer_id":54381935395159,"sku":"BILSTEIN-37-239800","price":49.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1038\/4575\/7271\/files\/1d7tqgz3DJXNaGHhYANp8efNUHXnf3iO9_1c8d95d6-32a5-466a-9fb2-9fad3fd45291.jpg?v=1787137391","url":"https:\/\/cuzracecars.com\/products\/bilstein-37-239800-bmw-e83-b3-oe-replacement-front-coil-spring-inc-3-0d-xdrive-30d-3-0-sd","provider":"Cuz Race Cars","version":"1.0","type":"link"}