AST Lowering Springs For BMW 5 520i/523i/525i/528i/530i/520D 07/2003-03/2010, Front 30 , Rear 30

The AST Lowering Springs are expertly engineered to enhance your BMW 5 Series driving experience by lowering the vehicle’s center of gravity without compromising the comfort and handling characteristics you expect from OEM springs. Manufactured using advanced cold-coiling technology on the renowned Wafios coiling machines, these springs ensure superior precision and durability for long-lasting performance.

Designed specifically for BMW 5 520i/523i/525i/528i/530i/520D models from 07/2003 to 03/2010, the AST springs provide a consistent lowering of 30 mm at both the front and rear. This precise adjustment improves vehicle stability, reduces body roll during cornering, and enhances overall driving dynamics, making it an ideal upgrade for drivers seeking improved road handling without sacrificing ride comfort.

Crafted from high-quality materials and subjected to rigorous quality control, these springs offer a progressive spring rate that balances firmness and compliance. This ensures that while the vehicle sits lower, the ride quality remains smooth and controlled, closely mirroring the original suspension feel. Additionally, the AST Lowering Springs come with a lifetime warranty against breaking, underscoring their reliability and the brand’s commitment to excellence.

Notes

• Not suitable for vehicles equipped with level adjustment systems.
• Not compatible with 4WD (four-wheel drive) models.
• Vehicles fitted with factory sports or M-Sports suspension will experience approximately 25 mm less lowering.

Lowering Specifications

• Front lowering: 30 mm
• Rear lowering: 30 mm
• Progressive spring rate for optimal balance between performance and comfort
• Cold-coiled using Wafios machines for superior precision and durability

Compatibility

• BMW 5 Series models: 520i, 523i, 525i, 528i, 530i, 520D
• Model years: 07/2003 to 03/2010
• Not suitable for vehicles with level adjustment or 4WD systems
• Reduced lowering effect on factory sports or M-Sports suspension variants

By choosing AST Lowering Springs, you invest in a product that combines advanced manufacturing techniques with vehicle-specific design, ensuring a seamless fit and enhanced driving dynamics. These springs represent a reliable and effective solution for drivers who demand both performance and comfort in their BMW 5 Series.