AST Lowering Springs For BMW 4 M440i xDRIVE 07/2021-, Front 30 , Rear 30

The AST Lowering Springs for BMW 4 M440i xDRIVE 07/2021- are engineered to enhance your vehicle’s driving dynamics by effectively lowering the center of gravity without compromising ride comfort. Manufactured with precision on the renowned Wafios coiling machines, these springs represent a high-quality, reliable upgrade tailored specifically to your vehicle’s requirements. Their cold-coiled construction ensures durability and performance consistency, meeting the stringent standards expected in professional automotive applications.

Designed as a direct replacement for OEM springs, the AST Lowering Springs provide a progressive spring rate that optimizes handling characteristics while maintaining the comfort levels familiar to drivers. This balance is critical for everyday usability and driving pleasure, making them suitable for both spirited driving and daily commuting. The set includes front and rear springs, each lowering the vehicle by 30 mm, contributing to improved stability and a more aggressive stance.

AST’s commitment to quality is underscored by a lifetime warranty against breaking, reflecting confidence in the materials and manufacturing processes employed. These springs have been developed to fit over 2500 vehicle models from 1966 to the present, demonstrating extensive expertise and adaptability in suspension technology.

It is important to note that these lowering springs are not suitable for 2WD (Two-Wheel Drive) vehicles. Additionally, vehicles equipped with M-sport or Adaptive M-sport suspension systems will experience approximately 10 mm less lowering than the standard 30 mm. This ensures compatibility and optimal performance across different suspension configurations.

Lowering Specifications

• Front lowering: 30 mm
• Rear lowering: 30 mm
• Approximately 10 mm less lowering for vehicles with M-sport suspension
• Approximately 10 mm less lowering for vehicles with Adaptive M-sport suspension

Compatibility

• Specifically designed for BMW 4 M440i xDRIVE models from 07/2021 onward
• Not suitable for 2WD (Two-Wheel Drive) vehicles
• Compatible with a wide range of suspension setups, excluding certain 2WD configurations