AST Suspension Lowering Springs (30mm/25mm TUV) - 2010+ BMW 5 Series 520/523/528/530/518D/520D Sedan (F10) Grand Vitara The new valve consumes more

The new valve consumes more power

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AST Suspension Lowering Springs (30mm/25mm TUV) - 2010+ BMW 5 Series 520/523/528/530/518D/520D Sedan (F10) Grand Vitara The new valve consumes moreAST Lowering Springs for the 2010+ BMW 5 Series (F10) 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