AST - 5100 Series 1-Way Adjustable Coilovers - BMW G8X M2/M3/M4

Using your vehicle on the track or do you want to get the best road balance for everyday use? Or is it a combination of both you are looking for? Than 5100 series is a perfect option for you. Approach to various settings for driving experience and driving comfort. AST Suspension specializes in producing suspension components for vehicles serving regular street use and competition purposes such as race, rally, autocross, and more. The company has continuously evolved since its establishment in 2000 and has always taken pride in its work. By combining in-house design and production with technical know-how, industry experience, and road-and-track testing, AST Suspension consistently produces exceptional suspension components at a competitive price. Features 1-Way Adjustable, with 2 positions giving clear feedback with each adjustment, each offering a different driving experience Street 5100 uses OEM Top Mounts Competition 5100 includes Front and Rear Top Mounts Drop Links included True Coilover rear (spring over dampener) Separate kits available for xDrive and 2WD models Floating piston design with high pressure nitrogen eliminates cavitation around the piston 14mm diameter internal shaft 44.5 mm diameter shaft struts, inverted High end, track ready suspension Low friction seal Rebound adjustable (‘’Singles’’) Rubber bushings for ‘’eye’’ shock mounts Adjuster knobs permanently mounted on the dampers Fully Rebuildable Optional custom valving Optional DLC Coated shafts Rebound AdjusterThe rebound adjuster is located on top of the piston rod. It has a range of 12 positions. The shock or strut should be in the “6th” position this way it’s possible to soften of stiffen the damping. With this adjustability you can create a setup that you prefer. ProcedureYou can easily adjust the rebound by turning the adjust knob. On the adjust knob you can see a + or – and when you turn + it will stiffens the rebound. (NOTE: the rebound adjuster opens or closes a small bleed hole , this restricts the flow of fluid . Each click will have an effect on the handling characteristics so do not adjust more than 1 or 2 clicks at a time). Rebound AdjusterThe 5100 Series shock absorbers utilize inverted / upside down technology. The inverted design is race proven technology and produces an extremely strong damper, providing better suspension geometry under heavy lateral and braking loads as seen in a road and track environment. The 5100 Series shock absorbers give your car a better performance than the standard twin tube design. With the 5100 Series suspension you can adjust rebound with one knob. The adjust platform allows you to adjust the ride height of your car. AST suspension shock bodies are specially designed to keep maximum stroke, even with a lower ride height. How does a Monotube design work?Monotube design essential for performance, The oil and nitrogen are separated by a floating piston, and allows the use of a larger piston, increasing the damper performance and sensitivity felt by the driver, all this added together produces more grip, gives more control and driver feedback from your vehicle. What is a rebound adjustment?Rebound controls the rate of extension of your shock absorber. By changing the rebound you can directly change the characteristics of the vehicle. Vehicles SupportedBMW G87 M2BMW G8X M3/M4, Including Competition