{"product_id":"ast-suspension-5300-series-3-way-coilovers-1984-1991-bmw-3-series-e30-320i-323i","title":"AST Suspension 5300 Series Coilovers - 1984-1991 BMW 3 Series 320i (E30)","description":"\u003cp\u003eFor the best performance on the track, AST Suspension designed the Competition 3-way adjustable series to fit the 1984-1991 BMW 3 Series 320i (E30) The 5300 Series shock absorbers are rebound adjustable in 12 positions on the strut.\u003c\/p\u003e\n\u003cp\u003eThe high speed compression is adjustable in 12 positions and the low speed compression is adjustable in 14 positions. Both compression adjustments are made using an external canister. All adjusters work completely independent.\u003c\/p\u003e\n\u003cp\u003eMany years of technical knowledge, testing and experience has been refined, fettled and brought together to create a perfect balance between the choice of springs and the corresponding damping characteristics. This makes it a versatile product for every customer. The 5300 series shock absorbers are the best solution for every race team. Once installed, the AST shock absorbers are easy to setup, highly reliable and require low maintenance during the season because of the high grade of materials used.\u003c\/p\u003e\n\u003cp\u003eAll of this together makes the 5300 series shock absorbers a championship winning damper, over and over again. The AST 5300 Suspension is worldwide renowned for its performance at every level.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003eHigh end, track ready suspension.\u003c\/li\u003e\n    \u003cli\u003eRebound, Low \u0026amp; Hi Speed Compression Adjustable ('Triples'), with a remote reservoir.\u003c\/li\u003e\n    \u003cli\u003eRemote reservoirs allow additional travel, heat dissipation and oil\/nitrogen gas capacity.\u003c\/li\u003e\n    \u003cli\u003e4.5mm 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) 44.5mm inverted shafts.\u003c\/li\u003e\n    \u003cli\u003eOptional DDP piston (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 serviceable and rebuildable.\u003c\/li\u003e\n    \u003cli\u003eRevalveable for specific characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cul\u003e\n    \u003cli\u003ePart Number: RAC-B1501S\u003c\/li\u003e\n    \u003cli\u003eProduct: AST 5300 Series\u003c\/li\u003e\n    \u003cli\u003eAdjustment: 3 Way\u003c\/li\u003e\n    \u003cli\u003eSystem: Coil Over\u003c\/li\u003e\n    \u003cli\u003eFront\/Rear Ratio: Front = 70% \/ Rear = 30%\u003c\/li\u003e\n    \u003cli\u003eStrut\/Shock Type: Front: Uses OEM spindles \/ Rear: Eye 2 pin strut\u003c\/li\u003e\n    \u003cli\u003eModel Years: 1984-1991\u003c\/li\u003e\n    \u003cli\u003eMake: BMW\u003c\/li\u003e\n    \u003cli\u003eModel: 3 Series\u003c\/li\u003e\n    \u003cli\u003eChassis: E30\u003c\/li\u003e\n    \u003cli\u003eSpring Kit: Included\u003c\/li\u003e\n    \u003cli\u003eFront Top Mounts: Included\u003c\/li\u003e\n    \u003cli\u003eRear Top Mounts: Included\u003c\/li\u003e\n    \u003cli\u003eAdjustable Front Droplinks Available? No\u003c\/li\u003e\n    \u003cli\u003eAdjustable Front Droplinks Required? No\u003c\/li\u003e\n    \u003cli\u003eAdjustable Rear Droplinks Available? No\u003c\/li\u003e\n    \u003cli\u003eAdjustable Rear Droplinks Required? No\u003c\/li\u003e\n    \u003cli\u003eDDP Pistons Included? No\u003c\/li\u003e\n    \u003cli\u003eDDP Pistons Available? Yes\u003c\/li\u003e\n    \u003cli\u003eDLC Coated Shafts Included? No\u003c\/li\u003e\n    \u003cli\u003eDLC Coated Shafts Available? Yes\u003c\/li\u003e\n    \u003cli\u003eQDC Included? No\u003c\/li\u003e\n    \u003cli\u003eTUV Approved?\u003c\/li\u003e\n    \u003cli\u003eComments: Original front hubs needed before start of production.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eVehicle Fitment\u003c\/h5\u003e\n\u003cul\u003e\n    \u003cli\u003e1984 BMW 3 Series 320i (E30)\u003c\/li\u003e\n    \u003cli\u003e1985 BMW 3 Series 320i (E30)\u003c\/li\u003e\n    \u003cli\u003e1986 BMW 3 Series 320i (E30)\u003c\/li\u003e\n    \u003cli\u003e1987 BMW 3 Series 320i (E30)\u003c\/li\u003e\n    \u003cli\u003e1988 BMW 3 Series 320i (E30)\u003c\/li\u003e\n    \u003cli\u003e1989 BMW 3 Series 320i (E30)\u003c\/li\u003e\n    \u003cli\u003e1990 BMW 3 Series 320i (E30)\u003c\/li\u003e\n    \u003cli\u003e1991 BMW 3 Series 320i (E30)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AST Suspension","offers":[{"title":"Default Title","offer_id":40190299144252,"sku":"RAC-B1501S","price":7992.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0000\/2183\/products\/ast-suspension-5300-series-coilovers-1984-1991-bmw-3-series-320i-e30-rac-b1501s-1194453463.jpg?v=1768686278","url":"https:\/\/www.springrates.com\/products\/ast-suspension-5300-series-3-way-coilovers-1984-1991-bmw-3-series-e30-320i-323i","provider":"SPRINGRATES®","version":"1.0","type":"link"}