{"product_id":"ast-5100-series-coilovers-alpina-rwd-e90-e91-e92-e93-bmw-e88-e81-e82-e87-128i-135i-135is-323i-325i-acu-b1601sd","title":"AST 5100 Series Coilovers Alpina RWD E90\/E91\/E92\/E93 \/ BMW E88\/E81\/E82\/E87 128i\/135i\/135is\/323i\/325i (ACU-B1601SD)","description":"\u003cp\u003eThe AST 5100 Series Coilovers Alpina RWD E90\/E91\/E92\/E93 \/ BMW E88\/E81\/E82\/E87 128i\/135i\/135is\/323i\/325i is a coilover kit from AST Suspension. Part ACU-B1601SD.\u003c\/p\u003e\u003cp\u003eLooking for the perfect road balance for everyday driving? The 5100 Street Suspension delivers comfort, control, and confidence in every corner. This monotube coilover system is 1-way adjustable for rebound and ride height, allowing you to fine-tune your setup for maximum grip and stability. It comes with vehicle-specific spring rates, OEM-compatible top mounts, and rebuildable dampers for long-lasting performance. Proudly made in the Netherlands, the 5100 STREET Suspension offers the ideal blend of everyday comfort and precise handling - engineered for drivers who want performance without compromise.\u003c\/p\u003e\u003ch3\u003eFeatures and benefits\u003c\/h3\u003e\u003cp\u003eMonotube dampers offer a large piston to control the adjustability of rebound damping. These dampers can adjust in rebound (return to extension). Front dampers utilize a coilover design, the rear is a divorced setup like OEM.\u003c\/p\u003e\u003ch3\u003eDetails\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e AST Suspension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e AST 5100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e ACU-B1601SD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer description:\u003c\/strong\u003e AST 5100 Series Coilovers Alpina RWD E90\/E91\/E92\/E93 \/ BMW E88\/E81\/E82\/E87 128i\/135i\/135is\/323i\/325i\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit includes (partial list from the manufacturer data):\u003c\/strong\u003e 4 Shock absorbers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle:\u003c\/strong\u003e BMW 335i (E9X)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYears and models on file:\u003c\/strong\u003e 2008-2013 BMW 128i Base; 2008-2013 BMW 135i Base; 2013 BMW 135is Base; 2006 BMW 325i Base; 2012-2013 BMW 328i Base; 2007-2013 BMW 328i Base; 2006 BMW 330i Base; 2007-2013 BMW 335i Base; 2011-2013 BMW 335is Base\u003c\/li\u003e\n\u003cli\u003eSuspension packages vary within a model line (electronic dampers, engine, body style and drive type). Compare the application above with your car before ordering. Not sure? \u003ca href=\"\/pages\/contact\"\u003eAsk us\u003c\/a\u003e and we will check it against your VIN.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eCoilover kits are built for a specific chassis, drivetrain (RWD \/ AWD) and model range. Compare the manufacturer description above with your car. Cars with factory electronic dampers (for example EDC, PASM or adaptive M suspension) may need a cancellation kit, which is not included unless listed. An alignment is needed after installation. Questions? \u003ca href=\"\/pages\/contact\"\u003eAsk us\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eAbout AST Suspension\u003c\/h3\u003e\u003cp\u003eAST (Advanced Suspension Technology) is a Dutch suspension brand. It develops monotube coilover systems and lowering springs for road and track cars, from 1-way street setups to 3-way motorsport dampers, and its coilovers are engineered and made in the Netherlands.\u003c\/p\u003e\u003ch3\u003eShipping \u0026amp; returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOrders are processed within 1–3 business days; standard delivery is 3–7 business days within the United States.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecial order:\u003c\/strong\u003e this item is ordered from the manufacturer after you place your order. It is not shipped from stock and can take several weeks. We email you the expected ship date after you order.\u003c\/li\u003e\n\u003cli\u003eWe currently ship within the U.S. only. See our \u003ca href=\"\/policies\/shipping-policy\"\u003eShipping Policy\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e30-day returns on unused parts in original packaging — see our \u003ca href=\"\/policies\/refund-policy\"\u003eReturn Policy\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation at Team ANBD\u003c\/h3\u003e\u003cp\u003eTeam ANBD is a performance shop in Andover, New Jersey. An alignment is recommended after any ride-height change, and we can \u003ca href=\"\/pages\/performance-alignment-corner-balancing-nj\"\u003ealign or corner-balance\u003c\/a\u003e the car, and \u003ca href=\"\/pages\/track-prep-maintenance-nj\"\u003eprep track cars\u003c\/a\u003e. \u003ca href=\"\/pages\/appointment\"\u003eBook an appointment\u003c\/a\u003e or \u003ca href=\"\/pages\/contact\"\u003eask us about installation and fitment\u003c\/a\u003e before you order.\u003c\/p\u003e","brand":"AST Suspension","offers":[{"title":"Default Title","offer_id":53343110037802,"sku":"astACU-B1601SD","price":3546.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/6358\/8650\/files\/5100-street_9f36284e-9a47-4158-a9d7-0e219ed5413b.png?v=1793133972","url":"https:\/\/team-anbd.com\/products\/ast-5100-series-coilovers-alpina-rwd-e90-e91-e92-e93-bmw-e88-e81-e82-e87-128i-135i-135is-323i-325i-acu-b1601sd","provider":"Team ANBD","version":"1.0","type":"link"}