AST Suspension Lowering Springs (30mm/30mm TUV) - 1998-2003 BMW M5 Sedan (E39) Charger SRT8 2004 Volkswagen Jetta TDI (1J)

2004 Volkswagen Jetta TDI (1J)

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AST Suspension Lowering Springs (30mm/30mm TUV) - 1998-2003 BMW M5 Sedan (E39) Charger SRT8 2004 Volkswagen Jetta TDI (1J)AST Lowering Springs for the 1998 2003 BMW M5 (E39) 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