AST Suspension Lowering Springs (45mm/30mm TUV) - 2006-2013 BMW 3 Series 318i Cabrio (E93) spl-parts-titanium-rear-lower-control-arms 2003 Subaru Baja Sport (BE/BH)

2003 Subaru Baja Sport (BE/BH)

The Stance XR1 coilovers drop the R33 chassis to a tunable ride height while keeping your factory suspension geometry intact

1991 Dodge Stealth ES (Z11A/Z16A)

1970 Mercury Cougar Boss 429

2001 Mazda Protege

AST Suspension Lowering Springs (45mm/30mm TUV) - 2006-2013 BMW 3 Series 318i Cabrio (E93) spl-parts-titanium-rear-lower-control-arms 2003 Subaru Baja Sport (BE/BH)AST Lowering Springs for the 2006 2013 BMW 3 Series (E93) 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.