AST Suspension Lowering Springs (30mm/30mm) - 2001-2007 BMW X5 3.0D (E53) whiteline-spring-pad-bushing 2015 Buick Verano Premium (Delta

2015 Buick Verano Premium (Delta II)

2015 Audi A5 (B8)

SE (N50) are engineered to be up to the task with top spec

2013 Mercedes-Benz SLK 55 AMG

ozone and weathering

AST Suspension Lowering Springs (30mm/30mm) - 2001-2007 BMW X5 3.0D (E53) whiteline-spring-pad-bushing 2015 Buick Verano Premium (DeltaAST Lowering Springs for the 2001 2007 BMW X5 (E53) 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