{"product_id":"ast-suspension-adjustable-lowering-springs-bmw-g87-m2-g80-m3-g82-m4-astals-21-004","title":"AST Suspension Adjustable Lowering Springs – BMW M2 \/ M3 \/ M4 (G87\/G80\/G82)","description":"\u003cstyle\u003e.sl-desc h2{font-size:1.15em;letter-spacing:.06em;text-transform:uppercase;border-bottom:2px solid #111;padding-bottom:6px;margin:1.6em 0 .7em}.sl-desc h3{font-size:1em;margin:1.2em 0 .4em}.sl-desc ul{margin:0 0 1em 1.2em}.sl-desc li{margin:.25em 0}.va-table{width:100%;border-collapse:collapse;margin:.5em 0 1em;font-size:.95em}.va-table th{text-align:left;padding:10px 8px;border-bottom:2px solid #333;white-space:nowrap}.va-table td{padding:8px;border-bottom:1px solid #e5e5e5;vertical-align:top}.sl-note{font-size:.9em;color:#555;margin:.4em 0 1em}\u003c\/style\u003e\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe AST Adjustable Lowering Springs lower your car's center of gravity while preserving the comfort you are used to from the original equipment springs. Unlike a conventional lowering spring you are not locked into a fixed drop: the AST height adjuster lets you fine-tune ride height even after the kit has been installed.\u003c\/p\u003e\n\u003cp\u003eThey are a direct replacement for the OEM springs and are developed specifically for each vehicle. The springs are cold coiled from premium materials on Wafios coiling machines, and the progressive design strikes a balance between lowering the car and improving how it performs. Made in the Netherlands.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeight-adjustable lowering spring kit — ride height can be fine-tuned after installation using the AST height adjuster\u003c\/li\u003e\n\u003cli\u003eProgressive spring design, balancing lowering against performance\u003c\/li\u003e\n\u003cli\u003eDirect replacement for the OEM springs, developed vehicle-specific\u003c\/li\u003e\n\u003cli\u003eDeveloped and tested to work with the factory dampers\u003c\/li\u003e\n\u003cli\u003eCold coiled on Wafios coiling machines from premium spring material\u003c\/li\u003e\n\u003cli\u003eManufactured in the Netherlands\u003c\/li\u003e\n\u003cli\u003eAST's lowering spring program covers drops from 20 mm to 60 mm depending on the application\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFront and rear AST adjustable lowering springs with AST height adjusters\u003c\/li\u003e\n\u003cli\u003eComplete kit as supplied by AST Suspension; see the installation instructions for the full bill of materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003ch3\u003eAdditional Parts Required\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-wheel alignment — mandatory.\u003c\/strong\u003e Lowering the car changes camber and toe. Book the alignment for immediately after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional installation.\u003c\/strong\u003e The struts have to come apart to change springs; this is work for a qualified suspension shop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil spring compressor.\u003c\/strong\u003e Required to disassemble the factory strut assemblies safely — installer-supplied.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo damper change required.\u003c\/strong\u003e AST develops and tests these springs to work with the factory dampers, including the adaptive M dampers fitted to these cars.\u003c\/li\u003e\n\u003cli\u003eOptional: replace worn strut mounts, bump stops and dust boots while the struts are apart.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/ast-suspension.com\/pages\/install-setup\" target=\"_blank\" rel=\"noopener\"\u003eAST Install \u0026amp; Setup guide (ast-suspension.com)\u003c\/a\u003e — the manufacturer's general installation and setup notes, including kit verification, clearance checks and handling warnings.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/ast-suspension.com\/pages\/torque-specifications\" target=\"_blank\" rel=\"noopener\"\u003eAST Torque Specifications (ast-suspension.com)\u003c\/a\u003e — manufacturer torque values and thread preparation guidance.\u003c\/li\u003e\n\u003cli\u003eAST does not publish a vehicle-specific printed installation manual for this spring kit; installation follows the factory BMW spring replacement procedure. Contact Speed Logic if you need help sourcing the procedure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e\u003cstrong\u003eASTALS-21-004\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable class=\"va-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake \/ Model\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW M2\u003c\/td\u003e\n\u003ctd\u003eG87\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2023+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW M3\u003c\/td\u003e\n\u003ctd\u003eG80\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW M3 Competition\u003c\/td\u003e\n\u003ctd\u003eG80\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW M3 Competition xDrive\u003c\/td\u003e\n\u003ctd\u003eG80\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW M4\u003c\/td\u003e\n\u003ctd\u003eG82\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW M4 Competition\u003c\/td\u003e\n\u003ctd\u003eG82\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW M4 Competition xDrive\u003c\/td\u003e\n\u003ctd\u003eG82\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"AST Suspension","offers":[{"title":"Default Title","offer_id":48989870522648,"sku":"ASTALS-21-004","price":1111.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/df2b530cf3055fbbc0bc8378f17cc986_2.jpg?v=1724436813","url":"https:\/\/speedlogicauto.com\/products\/ast-suspension-adjustable-lowering-springs-bmw-g87-m2-g80-m3-g82-m4-astals-21-004","provider":"SPEED LOGIC","version":"1.0","type":"link"}