AST G99 M5 Sedan Lowering Spring Set

AST G99 M5 Sedan Lowering Spring SetAST Lowering springs 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. The spring rates are specifically

By increasing the rebound force via the adjustment wheel body movements are reduced

Engineered for track use with increased rigidity and durability

and transforms the sound of the car as the valve is opened or closed using the original BMW computer control

Two layers of progressively finer mesh synthetic media provide maximum convenience and easy maintenance

from silent to extremely loud

but it's certainly not just about the looks

4 vents in the rear also help the motors stay cool

Soul Performance Products Sport Catalytic Converters offer significant increases in power and sound with no compromises or check engine lights

Blue Anodized Titanium hardware shaves even more unsprung weight from the arms

Our cat-back system is engineered to unlock the car’s hidden personality while maintaining everyday usability

H&R Sport Springs (part #: 28671-3) lower the BMW 850i xDrive approximately 1

0-liter Mezger-line flat-six