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AST Suspension Lowering Springs (30mm/30mm) - 2013+ BMW 4 Series 418i Coupe (F32) Exclusive - 2010-2023 Jeep Grand Cherokee WKAST Lowering Springs for the 2013+ BMW 4 Series (F32) 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
These long-lasting pads are an ideal upgrade for drivers seeking reliable
creating a sense of depth and concavity that enhances the wheel’s visual impact without compromising strength
maintaining a quiet and refined cabin environment while offering a sportier exhaust note outside the vehicle
OEM-style finish that matches the factory aesthetic
Whether you're restoring a classic or enhancing your track setup
The enhanced heat management helps maintain consistent braking performance
Part #: TS-SU-158
The package includes the titanium adjustable outer tie rod ends
simplifying installation and reducing the risk of fitment issues
Easy to install as a direct replacement for OEM springs
The washable and reusable cotton media is treated with a special oil to trap dirt effectively while maintaining high airflow levels
more responsive performance