ST Suspensions ST X Coilover Kit

Fitment: 2017-2020 BMW 430i Convertible/Coupe

Part #: 1322000J

Overview

The ST X Coilover Kit for the 2017-2020 BMW 430i Convertible and Coupe is designed to enhance your vehicle's handling and aesthetics while maintaining a comfortable ride. Crafted for the everyday driver who values a balanced blend of performance and comfort, this coilover suspension system allows for precise ride height adjustment, enabling you to customize your vehicle’s stance to your preference. Its straightforward design ensures ease of installation and reliable operation, making it an ideal upgrade for those seeking improved road manners without sacrificing comfort or drivability. This coilover kit is perfect for enthusiasts who want to refine their BMW’s handling dynamics, improve cornering response, and achieve a more aggressive stance. Whether you're daily driving or enjoying spirited drives, the ST X Coilover helps support a confident driving experience with a focus on durability and functional performance.

Key Features

This coilover suspension features a durable construction designed to withstand daily use and spirited driving. Its adjustable spring perch allows for fine-tuning of ride height, helping you achieve the desired look and stance. The kit is engineered with high-quality components to ensure consistent performance and long-lasting reliability. The design emphasizes ease of installation, with a focus on maintaining ride comfort while enhancing handling characteristics. The coilover system also helps improve vehicle stability during cornering and provides a more responsive driving feel.

Construction & Design

The coilover kit incorporates precision-machined components and corrosion-resistant coatings to ensure durability and longevity. The adjustable spring perches are made from robust materials to support reliable height adjustments without compromising structural integrity. The overall design emphasizes a balance between performance and comfort, with components engineered for consistent operation under various driving conditions.

Driving Feel & Feedback

With the ST X Coilover Kit installed, your BMW 430i will exhibit improved handling response and a more engaged driving experience. The adjustable height feature allows you to tailor the ride stance, while the suspension’s design enhances stability and cornering confidence. The setup provides a controlled ride that supports both daily commuting and spirited driving, with a focus on predictable feedback and vehicle control.

Installation & Fitment

Installation involves replacing the factory suspension components with the coilover kit, and it is recommended to be performed by a qualified technician. Proper alignment after installation is advised to ensure optimal handling and tire wear. Fitment should be verified against the vehicle’s specifications and the part number provided.

What’s Included

The package includes all necessary coilover components, including adjustable spring perches, struts, and hardware required for installation. Additional hardware or tools are not typically included and should be sourced separately if needed.