AST 30mm/25mm Lowering Springs | BMW 6 Series E63/E64 (ASTLS-14-446) YMM_2009_2015_Volkswagen_Golf_R_Mk6 Built with precision and durability

Built with precision and durability in mind

Perfect for BMW enthusiasts who want to combine style with functional aerodynamics

while the valved system offers the flexibility to unleash a more aggressive exhaust note at the push of a button

AST Lowering Springs for the 2014+ BMW 4 Series (F36) are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency

AST 30mm/25mm Lowering Springs | BMW 6 Series E63/E64 (ASTLS-14-446) YMM_2009_2015_Volkswagen_Golf_R_Mk6 Built with precision and durabilityAST Lowering Springs for the 2004 2011 BMW 6 Series (E63 E64) 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.