AST Suspension Lowering Springs (30mm/25mm) - 2014-2018 BMW M3 Sedan (F80) M56 and KSport damper internals bolt

and KSport damper internals bolt straight onto your Mercedes-Benz S320

For Mazda 323 owners who refuse to compromise ride quality for stance

2020 Lexus RC350 RWD (GSC10L)

2018 Infiniti Q50 RWD (KV37)

1997 Toyota Supra RZ

AST Suspension Lowering Springs (30mm/25mm) - 2014-2018 BMW M3 Sedan (F80) M56 and KSport damper internals boltAST Lowering Springs for the 2014 2018 BMW M3 (F80) are manufactured from a premium high tensile chromium silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle. Features