AST Lowering Springs For BMW 3 4CYL. 10/1999-09/2005, Front 40 , Rear 30

The AST Lowering Springs are engineered specifically for BMW 3 4CYL models produced between 10/1999 and 09/2005. Manufactured using advanced Wafios coiling machines, these springs are cold-coiled to ensure superior durability and precision. Designed to lower the vehicle’s center of gravity, they enhance handling and stability without compromising the ride comfort typically expected from OEM springs.

These springs provide a direct replacement for original equipment, tailored to meet the exact specifications of your vehicle. The progressive spring design balances performance improvements with everyday usability, making them suitable for both spirited driving and daily commuting. The use of premium materials and meticulous manufacturing processes guarantees long-lasting performance and reliability.

AST offers a lifetime warranty against breaking, reflecting the confidence in the product’s quality and robustness. This assurance provides peace of mind, knowing that your investment is protected. The lowering springs contribute to improved vehicle dynamics by reducing body roll and enhancing cornering capabilities, which is essential for drivers seeking a sportier yet comfortable driving experience.

Lowering Specifications

• Front lowering: 40 mm
• Rear lowering: 30 mm
• Cold-coiled springs for optimal strength and consistency
• Progressive spring rate designed to maintain comfort and improve handling

Compatibility

• Specifically developed for BMW 3 4CYL models
• Applicable to vehicles manufactured from October 1999 to September 2005
• Direct OEM spring replacement
• Compatible with a wide range of suspension setups