{"product_id":"ast-suspension-5200-series-2-way-coilover-kit-frontrear-top-mounts-2004-2013-bmw-328xi-awd-e91","title":"AST Suspension 5200 Series 2-Way Coilover Kit (Front\/Rear Top Mounts) - 2004-2013 BMW 328xi AWD (E91)","description":"\u003cp\u003eYou take performance seriously and the AST 2-WAY Motorsport Suspension for your 2004-2013 BMW 328xi AWD (E91) is built for drivers like you. Designed for true track enthusiasts, it delivers race-level precision and control. This monotube coilover system is 2-way adjustable for rebound, compression, and ride height, featuring external reservoirs for maximum consistency under extreme conditions. It includes camber-adjustable front top mounts, solid rear mounts, and adjustable-rate springs. Fully rebuildable and made in the Netherlands, it's built to last. Fine-tune your setup with independent rebound and compression adjustments to reduce body roll, sharpen responsiveness, and enhance traction - all while maintaining the perfect balance between performance and comfort.\u003c\/p\u003e\u003ch3\u003eStandard Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh end, track ready suspension that is totally streetable.\u003c\/li\u003e\n\u003cli\u003eFully upgradeable to 5300 spec.\u003c\/li\u003e\n\u003cli\u003eRebound and Compression Adjustable (Doubles), with a remote reservoir.\u003c\/li\u003e\n\u003cli\u003eRemote reservoirs allow additional travel and heat dissipation.\u003c\/li\u003e\n\u003cli\u003e44.5mm diameter shaft struts are inverted and offer exceptional strength, which in turn reduces geometry change under corner and braking monoevers.\u003c\/li\u003e\n\u003cli\u003eAluminum cylinder, threaded body shocks, factory mounting style.\u003c\/li\u003e\n\u003cli\u003eNew low friction seal on all AST dampers.\u003c\/li\u003e\n\u003cli\u003eSpherical lower eye shock mounts.\u003c\/li\u003e\n\u003cli\u003eReservoir with hose or piggyback (piggyback examples: 2008 STI; BMW E36 rears).\u003c\/li\u003e\n\u003cli\u003eSpherical upper shock mount assemblies.\u003c\/li\u003e\n\u003cli\u003eSynthetic hydraulic fluid.\u003c\/li\u003e\n\u003cli\u003eOptional DLC (diamond like carbon) coated shafts.\u003c\/li\u003e\n\u003cli\u003eOptional DDP (double digressive piston).\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eDouble Digressive Pistons are recommended for use on the non-driven wheels.\u003c\/li\u003e\n\u003cli\u003e4WD\/FWD vehicles: DD pistons for both rear axle struts\/shocks.\u003c\/li\u003e\n\u003cli\u003eRWD vehicles: DD pistons for both front axle struts\/shocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003eFully service and rebuildable.\u003c\/li\u003e\n\u003cli\u003eRevalvable for specific characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eSpecifications\u003c\/h5\u003e\u003ctable class=\"table table-striped table-primary\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eRIV-B1608SD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Name\u003c\/td\u003e\n\u003ctd\u003e5200 Series Coilovers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle\u003c\/td\u003e\n\u003ctd\u003e2004-2013 BMW 328xi AWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Code\u003c\/td\u003e\n\u003ctd\u003eE91\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRide-Height Adjustable\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDamping Adjustment\u003c\/td\u003e\n\u003ctd\u003e2-Way\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Includes\u003c\/td\u003e\n\u003ctd\u003e4 Shock Absorbers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Includes\u003c\/td\u003e\n\u003ctd\u003eSprings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eFull Set (Front \u0026amp; Rear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch5\u003eVehicle Fitment\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e2004 BMW 328xi AWD (E91)\u003c\/li\u003e\n\u003cli\u003e2005 BMW 328xi AWD (E91)\u003c\/li\u003e\n\u003cli\u003e2006 BMW 328xi AWD (E91)\u003c\/li\u003e\n\u003cli\u003e2007 BMW 328xi AWD (E91)\u003c\/li\u003e\n\u003cli\u003e2008 BMW 328xi AWD (E91)\u003c\/li\u003e\n\u003cli\u003e2009 BMW 328xi AWD (E91)\u003c\/li\u003e\n\u003cli\u003e2010 BMW 328xi AWD (E91)\u003c\/li\u003e\n\u003cli\u003e2011 BMW 328xi AWD (E91)\u003c\/li\u003e\n\u003cli\u003e2012 BMW 328xi AWD (E91)\u003c\/li\u003e\n\u003cli\u003e2013 BMW 328xi AWD (E91)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AST Suspension","offers":[{"title":"Default Title","offer_id":46148194009148,"sku":"RIV-B1608SD","price":7550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0000\/2183\/files\/RIV-SAMPLE-1_5461c535-0f8c-4036-9b41-1a852cfa266f.jpg?v=1789073961","url":"https:\/\/www.springrates.com\/products\/ast-suspension-5200-series-2-way-coilover-kit-frontrear-top-mounts-2004-2013-bmw-328xi-awd-e91","provider":"SPRINGRATES","version":"1.0","type":"link"}