AST Suspension Lowering Springs (40mm/30mm TUV) - 1999-2005 BMW 3 Series 4CYL Touring (E46) TT-RS 6in) Spring Rate - Front

6in) Spring Rate - Front 9

2001 Ford Focus FWD (MK1)

1993 Maserati Ghibli

1988 Honda Civic Wagovan (EF)

2011 Infiniti G37 RWD (V36)

AST Suspension Lowering Springs (40mm/30mm TUV) - 1999-2005 BMW 3 Series 4CYL Touring (E46) TT-RS 6in) Spring Rate - FrontAST Lowering Springs for the 1999 2005 BMW 3 Series (E46) 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.