AST Suspension Lowering Springs (30mm/20mm TUV) - 2005-2012 BMW 3 Series 316i/318i/320i Touring (E90/E91) Bel Air AST Lowering Springs for the

AST Lowering Springs for the 1992-1996 Ford Escort are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency

2020 Nissan Cube 1

2016 Audi A5 & Quattro Coupe & Convertible (B8)

1995 BMW 8 Series 840Ci (E31)

Shelby GT-350

AST Suspension Lowering Springs (30mm/20mm TUV) - 2005-2012 BMW 3 Series 316i/318i/320i Touring (E90/E91) Bel Air AST Lowering Springs for theAST Lowering Springs for the 2005 2012 BMW 3 Series (E90 E91) 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.