AST ASTLS-14-399

Part #: ASTLS-14-399

Overview

The AST 30mm/25mm Front & Rear Lowering Springs are designed to enhance the stance and handling of your BMW 3 Series F31 (2012-19). Crafted for enthusiasts seeking a sportier look and improved driving dynamics, these springs provide a lower ride height that reduces body roll and improves cornering stability. Made from high-quality steel, they are engineered to deliver durability and consistent performance over time. Whether you're looking to improve aesthetics or handling, these springs are an excellent upgrade for your vehicle’s suspension system.

Key Features

Designed to support a lowered stance while maintaining ride comfort, these springs feature a progressive coil design that balances performance and everyday usability. The springs are precision-wound from durable steel to resist sagging and fatigue, ensuring long-lasting performance. Their specific spring rates help improve handling response and reduce body roll during aggressive driving. Installation is straightforward for those familiar with suspension upgrades, and they are compatible with factory shocks and struts, making them a practical upgrade for your vehicle.

Construction & Design

Constructed from high-tensile steel with a corrosion-resistant coating, these springs are engineered for strength and longevity. The progressive coil design allows for a smooth ride while providing the desired lowering effect, enhancing both aesthetics and handling.

Driving Feel & Feedback

These lowering springs help improve your vehicle’s responsiveness and stability, especially during cornering and spirited driving. The reduced ride height lowers the center of gravity, resulting in a more planted feel and enhanced driver confidence without sacrificing ride comfort.

Installation & Fitment

Installation involves replacing the factory springs with these aftermarket options, typically requiring basic suspension tools. Fitment should be verified against your specific vehicle model to ensure compatibility.

What’s Included

The package includes two front springs and two rear springs, designed specifically for the BMW 3 Series F31 (2012-19). Hardware and mounting instructions are typically included for proper installation.