{"product_id":"ast-suspension-street-performance-5100-series-nco-coilover-kit-front-top-mounts-only-2015-2020-bmw-m135i-xdrive-awd-f21","title":"AST Suspension Street Performance 5100 Series NCO Coilover Kit (Front Top Mounts Only) - 2015-2020 BMW M135i xDrive AWD (F21)","description":"\u003cp\u003eLooking for the perfect road balance and front camber adjustability for daily driving? The 5100 Street Performance Suspension to your 2015-2020 BMW M135i xDrive AWD (F21) is built to deliver precision, comfort, and control. This monotube coilover system is 1-way adjustable for rebound and ride height, featuring camber-adjustable front top mounts for fine-tuned alignment. It includes adjustable spring rates, rebuildable dampers, and high-quality springs designed for long-lasting performance. Proudly made in the Netherlands, the 5100 STREET PERFORMANCE Suspension lets you maximize grip, optimize handling, and achieve the perfect blend of road comfort and driving dynamics.\u003c\/p\u003e\u003ch3\u003eStandard Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFloating piston design with high pressure nitrogen means no cavitation around the piston.\u003c\/li\u003e\n\u003cli\u003e14mm diameter internal shaft.\u003c\/li\u003e\n\u003cli\u003e44.5 mm diameter shaft struts, inverted.\u003c\/li\u003e\n\u003cli\u003eSteel cylinder body shocks, inverted.\u003c\/li\u003e\n\u003cli\u003eHigh end, track ready suspension.\u003c\/li\u003e\n\u003cli\u003eRebound adjustable ('Singles').\u003c\/li\u003e\n\u003cli\u003eLow friction seal.\u003c\/li\u003e\n\u003cli\u003eAdjuster knobs permanently mounted on the dampers.\u003c\/li\u003e\n\u003cli\u003eDesigned to use OEM top mounts.\u003c\/li\u003e\n\u003cli\u003eRubber bushings for 'eye' shock mounts.\u003c\/li\u003e\n\u003cli\u003eIncludes springs.\u003c\/li\u003e\n\u003cli\u003eRebuildable.\u003c\/li\u003e\n\u003cli\u003eOptional spherical top mounts.\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\u003eOptional custom valving.\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\u003eACT-B2301S\/5D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Name\u003c\/td\u003e\n\u003ctd\u003e5100 Series Coilovers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle\u003c\/td\u003e\n\u003ctd\u003e2015-2020 BMW M135i xDrive AWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Code\u003c\/td\u003e\n\u003ctd\u003eF21\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\u003e1-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\u003e2015 BMW M135i xDrive AWD (F21)\u003c\/li\u003e\n\u003cli\u003e2016 BMW M135i xDrive AWD (F21)\u003c\/li\u003e\n\u003cli\u003e2017 BMW M135i xDrive AWD (F21)\u003c\/li\u003e\n\u003cli\u003e2018 BMW M135i xDrive AWD (F21)\u003c\/li\u003e\n\u003cli\u003e2019 BMW M135i xDrive AWD (F21)\u003c\/li\u003e\n\u003cli\u003e2020 BMW M135i xDrive AWD (F21)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AST Suspension","offers":[{"title":"Default Title","offer_id":46148380786748,"sku":"ACT-B2301S\/5D","price":4730.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0000\/2183\/files\/ACT-NCO-SAMPLE-1_e30f9b13-3632-426c-9092-d2f96c29ff9b.jpg?v=1789074534","url":"https:\/\/www.springrates.com\/products\/ast-suspension-street-performance-5100-series-nco-coilover-kit-front-top-mounts-only-2015-2020-bmw-m135i-xdrive-awd-f21","provider":"SPRINGRATES","version":"1.0","type":"link"}