{"product_id":"ast-suspension-5100-coilovers-bmw-m235i-f22-n55","title":"AST 5100 Series 1-Way Coilovers – BMW M235i (F22, N55)","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 5100 Series is a monotube, single-adjustable (rebound) height-adjustable coilover for the BMW M235i (F22, N55). A street-and-track setup in a rebuildable AST platform.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSingle-adjustable (rebound) monotube damping\u003c\/li\u003e\n\u003cli\u003eHeight-adjustable, rebuildable coilover platform\u003c\/li\u003e\n\u003cli\u003eLCI-specific kit for 2015-and-later F22 cars with 5-bolt front strut towers — see Vehicle Applications\u003c\/li\u003e\n\u003cli\u003eRWD fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFront and rear coilovers and springs\u003c\/li\u003e\n\u003cli\u003eTop mounts and hardware as supplied by AST\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 Camber, caster and toe change with ride height; book a full alignment (and corner-balance for track use) immediately after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCars with optional Adaptive M suspension:\u003c\/strong\u003e the factory adaptive damper connections must be electronically cancelled to prevent damper fault warnings.\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 installation and setup procedure: kit verification, spring preload, 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 plus thread preparation and threadlocker guidance.\u003c\/li\u003e\n\u003cli\u003eSpeed Logic offers professional installation — \u003ca href=\"\/community\/contact\"\u003econtact us to schedule an install\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRWD only — the M235i xDrive uses a different AST kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCount the bolts on each front strut tower before ordering.\u003c\/strong\u003e This kit is for 5-bolt towers; cars with 3-bolt towers need a different AST kit — confirm fitment with \u003ca href=\"\/pages\/contact-us\"\u003eSpeed Logic\u003c\/a\u003e before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e\u003cstrong\u003eACU-B2101SD\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\u003c\/th\u003e\n\u003cth\u003eModel\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\u003c\/td\u003e\n\u003ctd\u003eM235i\u003c\/td\u003e\n\u003ctd\u003eF22\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2015–2016\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":52563649954072,"sku":"ACU-B2101SD","price":3744.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/AST_6_grande_7f880f92-b032-4032-a288-1daeba125375.jpg?v=1787614415","url":"https:\/\/speedlogicauto.com\/products\/ast-suspension-5100-coilovers-bmw-m235i-f22-n55","provider":"SPEED LOGIC","version":"1.0","type":"link"}