{"product_id":"ast-suspension-lowering-springs-2003-2009-bmw-z4-roadster-coupe-2-2-2-5-3-0","title":"AST Suspension Lowering Springs (30mm\/30mm TUV) - 2003-2009 BMW Z4 Coupe 2.2\/2.5\/3.0 (Z85)","description":"\u003cp\u003eAST Lowering Springs for the 2003-2009 BMW Z4 (Z85) are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency.\u003c\/p\u003e\n\u003cp\u003eEach spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003eProgressive rates on most vehicles.\u003c\/li\u003e\n    \u003cli\u003eEDC Compatible (if applicable to vehicle)\u003c\/li\u003e\n    \u003cli\u003eEach spring is blocked and computer tested prior to shipping, which reduces any settling once installed on the vehicle.\u003c\/li\u003e\n    \u003cli\u003eLifetime warranty on breaking.\u003c\/li\u003e\n    \u003cli\u003eMost of our spring applications are TUV Certified and certificates can be provided upon request.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable class=\"table table-striped table-primary\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePart Number\u003c\/td\u003e\n      \u003ctd\u003eASTLS-14-471\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct\u003c\/td\u003e\n      \u003ctd\u003eAST Lowering Springs\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduction Years\u003c\/td\u003e\n      \u003ctd\u003e2003-04\/2009\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModel Years\u003c\/td\u003e\n      \u003ctd\u003e2003-2009\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMake\u003c\/td\u003e\n      \u003ctd\u003eBMW\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModel\u003c\/td\u003e\n      \u003ctd\u003eZ4\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eChassis\u003c\/td\u003e\n      \u003ctd\u003eZ85\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApproximate Drop – Front\u003c\/td\u003e\n      \u003ctd\u003e30mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApproximate Drop – Rear\u003c\/td\u003e\n      \u003ctd\u003e30mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTÜV Certified\u003c\/td\u003e\n      \u003ctd\u003eYes\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModel Note\u003c\/td\u003e\n      \u003ctd\u003e-\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNote 1\u003c\/td\u003e\n      \u003ctd\u003eFor cars with standard lowering, the indicated lowering will be reduced with the amount of the standard lowering.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e2003 BMW Z4 Coupe 2.2\/2.5\/3.0 (Z85)\u003c\/li\u003e\n    \u003cli\u003e2004 BMW Z4 Coupe 2.2\/2.5\/3.0 (Z85)\u003c\/li\u003e\n    \u003cli\u003e2005 BMW Z4 Coupe 2.2\/2.5\/3.0 (Z85)\u003c\/li\u003e\n    \u003cli\u003e2006 BMW Z4 Coupe 2.2\/2.5\/3.0 (Z85)\u003c\/li\u003e\n    \u003cli\u003e2007 BMW Z4 Coupe 2.2\/2.5\/3.0 (Z85)\u003c\/li\u003e\n    \u003cli\u003e2008 BMW Z4 Coupe 2.2\/2.5\/3.0 (Z85)\u003c\/li\u003e\n    \u003cli\u003e2009 BMW Z4 Coupe 2.2\/2.5\/3.0 (Z85)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AST Suspension","offers":[{"title":"Default Title","offer_id":40190255988796,"sku":"ASTLS-14-471","price":289.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0000\/2183\/products\/ast-suspension-lowering-springs-30mm-30mm-tuv-2003-2009-bmw-z4-coupe-2-2-2-5-3-0-z85-astls-14-471-1194333345.jpg?v=1761809277","url":"https:\/\/www.springrates.com\/products\/ast-suspension-lowering-springs-2003-2009-bmw-z4-roadster-coupe-2-2-2-5-3-0","provider":"SPRINGRATES®","version":"1.0","type":"link"}