| Year | Make | Model |
|---|---|---|
| 2011-2019 | BMW | 3 Series VI (F30/F31/F34) |
| 2015-2019 | BMW | 3 Series VI LCI (F30/F31/F34) |
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AST 40mm/35mm F&R Lowering Springs | BMW 3 Series F31 (2012-19) (ASTLS-14-400)
AST 40mm/35mm F&R Lowering Springs | BMW 3 Series F31 (2012-19) (ASTLS-14-400)
SKU:ASTLS-14-400
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$279.59 USD
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$310.65 USD
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The AST 40mm/35mm F&R Lowering Springs for the BMW 3 Series F31 (2012-2019) are high-performance suspension components designed to improve handling and aesthetics. Crafted from premium high tensile chromium-silicone wire, these springs are selected for their durability and metal consistency by AST engineers. Each spring undergoes a meticulous manufacturing process, including cold winding, heat treatment to enhance hardness and reduce internal stresses, and shot peening for fatigue resistance. The springs are phosphate treated and powder coated, ensuring long-lasting corrosion resistance and a clean appearance. Featuring progressive rates on most vehicles, these springs provide a balanced ride quality with improved stability and cornering performance, making them suitable for enthusiasts seeking both style and function.
Designed for 2012 to 2019 BMW 3 Series F31 models, these lowering springs are a direct replacement upgrade for the factory suspension. They are compatible with vehicles equipped with Electronic Damping Control (EDC), offering a lowered stance of 40mm front and 35mm rear for a sportier look and improved handling dynamics. Installation is straightforward as they are bolt-on components, intended for street and performance driving. The kit includes the necessary springs for both front and rear positions, providing a comprehensive upgrade. Ideal for daily drivers, street enthusiasts, and track day users, these springs enhance vehicle stability and aesthetics without compromising ride comfort.
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Overview
Overview
AST Lowering Springs
BMW 3 Series F31 (2012-19) Fitment
Part #: ASTLS-14-400
Overview
The AST 40mm/35mm F&R Lowering Springs are designed to enhance the stance and handling of your BMW 3 Series F31. Crafted for enthusiasts seeking improved aesthetics and performance, these springs provide a lower ride height that gives your vehicle a more aggressive look while maintaining ride comfort. They are ideal for drivers who want to improve handling dynamics, reduce body roll, and achieve a sportier appearance without sacrificing daily drivability. Made from high-quality materials, these springs are engineered to support your vehicle’s suspension system, ensuring durability and consistent performance over time.Key Features
Designed to deliver a balanced combination of style and function, these lowering springs feature a progressive coil design that enhances handling response and stability. The springs are constructed from high-tensile steel, providing excellent fatigue resistance and longevity. Their precise spring rates help improve cornering and reduce body roll, giving you more confidence behind the wheel. The lowered stance not only improves aesthetics but also helps optimize aerodynamics and reduce wheel gap for a cleaner, more aggressive look. Installation is straightforward for those familiar with suspension upgrades, and the springs are compatible with your vehicle’s existing suspension components.Construction & Design
These springs are manufactured from high-quality steel with a carefully engineered coil profile to ensure consistent ride height and performance. The progressive spring rate design provides a smooth ride while enhancing handling characteristics during aggressive driving or cornering. The black powder-coated finish resists corrosion and maintains a sleek appearance over time.Installation & Fitment
Installation should be performed by a qualified technician familiar with suspension upgrades. Proper alignment is recommended after installation to ensure optimal handling and tire wear. Fitment details should be verified against your vehicle’s specifications to ensure compatibility.Ideal For
This product is perfect for BMW 3 Series F31 owners looking to improve their vehicle’s stance, handling, and overall aesthetic. It is suitable for daily drivers, enthusiasts, and those seeking a more aggressive look without compromising comfort or reliability.