AST Lowering Springs

2017+ BMW M5 (F90) 4.4L Twin-Turbo V8

Part #: ASTLS-21-044

Overview

The AST Lowering Springs for the 2017 and newer BMW M5 are designed to enhance your vehicle's stance and handling characteristics without compromising ride quality. Crafted specifically for the F90 M5, these springs provide a lowered center of gravity, improving stability and cornering performance while maintaining the comfort you expect from OEM suspension components. Whether you're a spirited driver or an enthusiast looking to refine your M5's appearance and handling, these springs are an excellent upgrade.

Developed with precision and tested extensively, the AST lowering springs deliver a balanced combination of performance and everyday drivability. They are ideal for drivers who want a more aggressive look and improved handling dynamics without the need for a complete suspension overhaul. These springs are engineered to work flawlessly with your stock dampers, ensuring a seamless upgrade that enhances your driving experience.

Key Features

AST Lowering Springs are manufactured using high-quality materials and advanced coil winding technology to ensure durability and consistent performance. The springs are made from premium steel and produced on Wafios coiling machines, known for their precision and reliability. This meticulous manufacturing process results in springs that offer precise spring rates and consistent ride height adjustments.

• Vehicle-specific design for the BMW M5 (F90) 2017+ with 4.4L Twin-Turbo V8 engine
• Lowering height ranges from approximately 20mm to 60mm, providing a more aggressive stance
• Developed and tested to work flawlessly with factory dampers for a balanced ride
• Made from high-grade steel with advanced coiling techniques for durability and longevity
• Designed to improve handling, reduce body roll, and enhance cornering response
• Maintains a comfortable ride quality suitable for daily driving and spirited performance
• Engineered for easy installation as a direct replacement for OEM springs
• Optimized for vehicle stability and improved center of gravity for better control

Construction & Design

The AST lowering springs are constructed from high-strength steel, ensuring they can withstand the rigors of aggressive driving and daily use. The springs feature a progressive coil design that provides a smooth ride over uneven surfaces while offering increased stiffness during cornering and spirited driving. Manufactured on state-of-the-art Wafios coiling machines, these springs benefit from precise manufacturing tolerances, ensuring consistent performance and fitment.

The springs are specifically developed for the BMW M5 F90 chassis, with a focus on maintaining OEM-like ride comfort while delivering a noticeable visual and handling upgrade. Their design reduces the vehicle's ride height by up to 60mm, giving your M5 a more aggressive stance without sacrificing ride quality or safety.

Installation & Fitment

The AST Lowering Springs are designed as a bolt-on upgrade that replaces the OEM springs directly. No cutting, drilling, or complex modifications are required for installation. The springs are compatible with your factory dampers, making this a straightforward upgrade for those seeking improved handling and aesthetics without a full suspension overhaul. Professional installation is recommended to ensure proper alignment and optimal performance.

• Direct replacement for OEM springs
• No need for additional modifications or tuning
• Installation typically requires basic tools and alignment afterward

What's Included

• Set of four high-quality lowering springs (front and rear)
• Installation hardware and instructions

Ideal For

• BMW M5 owners seeking a more aggressive stance
• Enthusiasts wanting improved handling and cornering response
• Daily drivers who desire a subtle yet effective suspension upgrade
• Performance enthusiasts looking to reduce body roll and improve stability