AST Lowering Springs For BMW 5 518/520/525/528i/535i 1977-06/1981, Front 40 , Rear 40

The AST Lowering Springs are engineered to provide a precise lowering solution for BMW 5 Series models 518, 520, 525, 528i, and 535i produced between 1977 and 06/1981. Manufactured with advanced cold-coiling technology on state-of-the-art Wafios machines, these springs ensure exceptional quality and durability. Designed to lower the front and rear suspension by 40 mm, they effectively reduce the vehicle’s center of gravity, enhancing handling and stability without compromising ride comfort.

Crafted from premium materials, the AST springs offer a progressive spring rate that balances performance with everyday usability. This design maintains the familiar comfort level associated with OEM springs while delivering improved cornering response and reduced body roll. Their direct-fit nature allows for straightforward installation, making them an ideal upgrade for enthusiasts seeking enhanced driving dynamics without extensive modifications.

With a comprehensive development process tailored to each specific vehicle model, these lowering springs are compatible with over 2500 vehicle types from 1966 to the present, reflecting AST’s commitment to precision engineering and reliability. Additionally, the springs come with a lifetime warranty against breaking, underscoring the brand’s confidence in their long-term performance and structural integrity.

Notes

Lowering Specifications

• Front lowering: 40 mm
• Rear lowering: 40 mm
• Progressive spring rate for balanced comfort and performance
• Cold-coiled on premium Wafios machinery for superior consistency

Compatibility

• BMW 5 Series models: 518, 520, 525, 528i, 535i
• Model years: 1977 to 06/1981
• Designed as a direct replacement for OEM springs
• Suitable for over 2500 vehicle models globally

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