AST Suspension Lowering Springs (20mm/20mm TUV) - 1982-1990 BMW 4 Series 418i Gran Coupe (E30) iM 2016 Volkswagen Golf/GTI S (AU)

2016 Volkswagen Golf/GTI S (AU)

Engineered to alter/ optimize caster alignment to maximize tire contact patch during roll

2013 Ford Mustang S197 RWD (S197)

2007 Toyota Camry FWD (ACV40)

2017 BMW 4 Series 435i/440i AWD (w/o EDC)

AST Suspension Lowering Springs (20mm/20mm TUV) - 1982-1990 BMW 4 Series 418i Gran Coupe (E30) iM 2016 Volkswagen Golf/GTI S (AU)AST Lowering Springs for the 1982 1990 BMW 4 Series (E30) 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.