AST Suspension Lowering Springs (30mm/20mm TUV) - 2005-2012 BMW 3 Series 335/325D/330D/335D Sedan (E90) tC 1990 BMW 5 Series 525iX

1990 BMW 5 Series 525iX Allroad 4WD (E34)

or daily driving on your Chevrolet Cobalt

Each set is engineered specifically for this 3 chassis

1978 Ford F-100 Base (F-Series)

2013 Hyundai Genesis Coupe 3

AST Suspension Lowering Springs (30mm/20mm TUV) - 2005-2012 BMW 3 Series 335/325D/330D/335D Sedan (E90) tC 1990 BMW 5 Series 525iXAST Lowering Springs for the 2005 2012 BMW 3 Series (E90) 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.