{"product_id":"ast-5100-coilovers-for-bmw-f87-m2-m2-competition","title":"AST 5100 Coilovers - BMW F87 M2\/M2 Competition","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0616\/3388\/8514\/files\/AST_LOGOblack_160x160.png?v=1663057109\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAST 5100 Series are\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1-way adjustable\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecoilovers that are\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecompatible with OEM top mounts\u003c\/strong\u003e, and a good\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eupgrade for your F87 M2 and M2 Competition for \u003cstrong\u003efast road\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etrack use\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eTechnical highlights include:\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e1-Way adjustable (12 clicks of rebound adjustment)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eGas-pressurised, Monotube technology for improved handling and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCompatible with OEM top mounts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eInverted strut design to cope with heavy cornering and braking loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFully ride-height adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eMore information\u003c\/h5\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0616\/3388\/8514\/files\/AST_LOGOblack_160x160.png?v=1663057109\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe AST inverted damper\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003esystem\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eis a race-inspired design that gives the damper far more strength and resistance to the high g-forces generated by fast driving. This design retains the suspension geometry of the car during the cornering, braking and acceleration phases, ensuring consistent cornering performance.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe ride-height adjustment platform allows you to adjust the ride height of your car whilst retaining the maximum stroke of the damper.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAST's Monotube technology improves the damper's performance and efficiency by separating the damper oil and nitrogen gas inside the damper with a floating piston. This floating piston design, combined with the use of high-pressure nitrogen, helps to eliminate cavitation around the piston.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe larger piston and lack of cavitation increases the damper performance and the sensitivity of the dampers felt by the driver. All of this combines to produce more grip, increased control and driver feedback.\u003c\/p\u003e\n\u003ch5 data-mce-fragment=\"1\"\u003eTechnical information\u003c\/h5\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0616\/3388\/8514\/files\/AST_LOGOblack_160x160.png?v=1663057109\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFloating piston design with high pressure nitrogen eliminates cavitation around the piston\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e14mm diameter internal shaft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e44.5 mm diameter shaft struts, inverted\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eHigh end, track ready suspension\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eLow friction seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eRebound adjustable (‘’Singles’’)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eRubber bushings for ‘’eye’’ shock mounts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eAdjuster knobs permanently mounted on the dampers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eOptional spherical top mounts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eRebuildable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eOptional custom valving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eOptional DLC Coated shafts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eTrue coilover or divorced spring?\u003c\/h5\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0616\/3388\/8514\/files\/AST_LOGOblack_160x160.png?v=1663057109\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eIt is possible to spec some aftermarket coilovers with either a\u003cspan\u003e \u003c\/span\u003e\u003cem\u003etrue coilover\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cem\u003edivorced spring\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003esetup for the rear suspension. What do these mean and what are the benefits?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTrue coilover\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA true coilover setup is where the rear spring and damper are a combined unit. The spring coil is pressed onto the shock, creating a traditional 'coil over'. This combined unit attaches to the rear top mount of the chassis.\u003c\/p\u003e\n\u003cp\u003eThe benefits of the true coilover setup are twofold. Firstly, as the damper and spring assemblies are in the same position, adjusting them is far easier. With a true coilover, adjusting both the ride heights and damper settings is much simpler than compared to a divorced spring setup. The second benefit is that the spring to damper ratio is far more closely related than compared to a divorced spring setup. A true coilover rear allows springs rates to be more accurately chosen and higher spring rates can be used without having to compensate for a more disparate spring to damper ratio.\u003c\/p\u003e\n\u003cp\u003eThis makes true coilovers the ideal choice for intensive trackday applications or for drivers who want to get the most performance from their chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDivorced spring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMany OEM manufacturers such as BMW use a divorced spring setup as standard. A divorced spring setup is where the damper is the sole point of connection between the rear wheel assembly and the chassis. The spring is 'divorced' from the spring and sits on a spring cup on the lower control arm in a spring perch.\u003c\/p\u003e\n\u003cp\u003eThis setup is mainly chosen for ease of manufacture and simplicity. With an aftermarket coilover kit, a divorced spring setup is still a good choice for more fast-road oriented builds as longer travel damping can be achieved for more ride compliance.\u003c\/p\u003e\n\u003cp\u003eThe downsides of a divorced spring setup are that the ride height can be far harder to adjust using the adjustable spring perches, as opposed to ride height adjustment collars on a true coilover. A divorced spring setup means there is a greater variable between the spring and damper ratio due to the distance between the spring and wheels, as opposed to a true coilover setup. This difference ensures a divorced spring setup cannot match the ultimate performance of a true coilover setup.\u003c\/p\u003e\n\u003cp\u003eA divorced spring setup is more desirable on a fast road car.\u003c\/p\u003e","brand":"AST","offers":[{"title":"Divorced spring setup \/ Pre-LCI \/ With Front Top Mounts","offer_id":42620121579638,"sku":"ACU-B2104S","price":4000.95,"currency_code":"EUR","in_stock":true},{"title":"Divorced spring setup \/ Pre-LCI \/ Without Front Top Mounts","offer_id":42620121612406,"sku":null,"price":3240.95,"currency_code":"EUR","in_stock":true},{"title":"Divorced spring setup \/ LCI\/COMP\/CS \/ With Front Top Mounts","offer_id":42620121645174,"sku":null,"price":4000.95,"currency_code":"EUR","in_stock":true},{"title":"Divorced spring setup \/ LCI\/COMP\/CS \/ Without Front Top Mounts","offer_id":42620121677942,"sku":null,"price":3240.95,"currency_code":"EUR","in_stock":true},{"title":"True coilover setup \/ Pre-LCI \/ With Front Top Mounts","offer_id":42620121710710,"sku":"ACU-B2109S","price":4000.95,"currency_code":"EUR","in_stock":true},{"title":"True coilover setup \/ Pre-LCI \/ Without Front Top Mounts","offer_id":42620121743478,"sku":null,"price":3240.95,"currency_code":"EUR","in_stock":true},{"title":"True coilover setup \/ LCI\/COMP\/CS \/ With Front Top Mounts","offer_id":42620121776246,"sku":null,"price":4000.95,"currency_code":"EUR","in_stock":true},{"title":"True coilover setup \/ LCI\/COMP\/CS \/ Without Front Top Mounts","offer_id":42620121809014,"sku":null,"price":3240.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1217\/5090\/files\/BMW_AST_5100_1_7761ec6e-fd0c-47ca-a7c5-5b4aff6eeb5c.png?v=1759799171","url":"https:\/\/modeautoconcepts.com\/fr-de\/products\/ast-5100-coilovers-for-bmw-f87-m2-m2-competition","provider":"MODE Auto Concepts","version":"1.0","type":"link"}