AST Suspension Lowering Springs

Part #: ASTLS-21-040

Overview

The AST Suspension Lowering Springs are designed to enhance the handling and aesthetics of your BMW 4-Series models manufactured between March 2014 and July 2021. Crafted for enthusiasts seeking a sportier stance and improved road feedback, these springs help lower your vehicle's ride height for a more aggressive look while maintaining ride comfort and stability. They are ideal for drivers who want to optimize their vehicle’s handling dynamics without sacrificing everyday usability or comfort. Constructed from high-quality steel with a precision coil design, these springs are engineered to provide consistent performance and durability. They support a lowered stance that reduces body roll and improves cornering response, making them suitable for spirited driving or track days. The springs are designed to work seamlessly with your existing suspension components, offering a straightforward upgrade that enhances both form and function.

Key Features

Introducing the AST Suspension Lowering Springs, engineered to deliver a balanced combination of style, performance, and reliability. Key features include:

• High-strength steel construction for durability and long-lasting performance
• Precisely wound coils for consistent spring rates and ride quality
• Lowering height designed to improve handling and reduce wheel gap
• Optimized spring rates for enhanced cornering and stability
• Compatible with factory suspension components for easy installation
• Designed to maintain ride comfort while providing a sportier stance
• Manufactured to meet or exceed OEM quality standards

Construction & Design

These springs feature a high-quality steel alloy with a corrosion-resistant coating, ensuring longevity and resistance to the elements. The coil design is engineered for precise load distribution and consistent performance, supporting your vehicle’s suspension geometry and handling characteristics.

Driving Feel & Feedback

Lowering your BMW 4-Series with these springs enhances steering response and reduces body roll, providing a more connected and engaging driving experience. The springs help achieve a firmer, sportier feel without compromising comfort, making daily driving more enjoyable and confident.

Installation & Fitment

Installation involves replacing the factory springs with these aftermarket options, typically requiring basic suspension tools. While a professional alignment is recommended after installation to ensure optimal handling and tire wear, the springs are designed for a direct bolt-on upgrade with minimal modification needed.

What’s Included

The package includes a set of four lowering springs, designed specifically for the BMW 4-Series (03/2014-07/2021). Hardware and mounting instructions are included to facilitate a straightforward installation process.