AST Suspension Lowering Springs (40mm/40mm) - 2010-2017 BMW 5 Series 535/525D/530D/535D Touring w/ Air Suspension HA (F11) Thunderbird and weathering adding durability

and weathering adding durability

2000 Chrysler PT Cruiser 2

2016 Mini Cooper Clubman (w/ EDC)

SR5 Chassis Code E90 Bushing Color Black Bushing Material Polyurethane Color Black Grade Type Regular Installation Difficulty Moderate Installation Time (hrs) 3 Kit Contents 8 Bushings

1994 Porsche 911 Carrera 2 (993)

AST Suspension Lowering Springs (40mm/40mm) - 2010-2017 BMW 5 Series 535/525D/530D/535D Touring w/ Air Suspension HA (F11) Thunderbird and weathering adding durabilityAST Lowering Springs for the 2010 2017 BMW 5 Series (F11) 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.