AST Lowering Springs For BMW Z4 2.2/2.5/3.0 2003-04/2009, Front 30 , Rear 30

The AST Lowering Springs for BMW Z4 2.2/2.5/3.0 (2003-04/2009) are engineered to enhance your vehicle's driving dynamics by lowering the center of gravity while maintaining a high level of ride comfort. Manufactured using advanced cold-coiling technology on premium Wafios machines, these springs exemplify precision and durability. Designed specifically for the BMW Z4, they provide a direct replacement for the OEM springs, ensuring seamless integration and optimal performance.

These springs feature a progressive rate design that balances improved handling characteristics with the preservation of everyday driving comfort. By lowering the front and rear suspension by 30 mm each, the vehicle benefits from enhanced stability, reduced body roll, and a more aggressive stance without compromising the smoothness expected from factory components. The use of high-quality materials and meticulous manufacturing processes guarantees long-lasting reliability under various driving conditions.

AST’s commitment to quality is further demonstrated by the lifetime warranty against breaking, providing assurance and confidence in the product’s structural integrity. Suitable for a wide range of applications, these lowering springs are a trusted choice for enthusiasts seeking to improve their BMW Z4’s performance and aesthetics while adhering to rigorous business standards.

Lowering Specifications

• Front lowering: 30 mm
• Rear lowering: 30 mm
• Progressive spring rate for balanced performance and comfort
• Cold-coiled on Wafios coiling machines for precision and durability
• Lifetime warranty against breaking

Compatibility

• BMW Z4 models with engine sizes 2.2, 2.5, and 3.0
• Model years 2003-04 and 2009
• Designed as a direct replacement for OEM springs
• Suitable for vehicles with standard suspension setup

Notes: For vehicles already equipped with standard lowering, the effective lowering height will be reduced by the amount of the existing lowering.

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All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.