AST Suspension Lowering Springs (30mm/25mm) - 2009-2018 BMW Z4 Roadster 18i/20i/23i/28i/30i (E89) 1959 5Degree Camber - "Approved for

5Degree Camber - "Approved for Spec Miata in both SCCA and NASA" Vehicle Fitment

2007 BMW 7 Series (w/o EDC)

1999 Volkswagen Golf/GTI (1J)

AST Lowering Springs for the 1996-2003 Mercedes-Benz Vito (W638) are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency

AST Suspension Lowering Springs (30mm/25mm) - 2009-2018 BMW Z4 Roadster 18i/20i/23i/28i/30i (E89) 1959 5Degree Camber - "Approved forAST Lowering Springs for the 2009 2018 BMW Z4 (E89) 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