SPL Parts Adjustable Rear Upper Arm Set

Fitment: 2021-2024 BMW M4 (G82/G83)

Part #: SPL RUA G8X

Overview

The SPL Parts Adjustable Rear Upper Arm Set is a high-performance suspension component designed specifically for the BMW M4 models from 2021 to 2024. These adjustable arms are engineered to help drivers fine-tune rear camber settings, ensuring optimal tire contact and wear characteristics. Whether you’re a street enthusiast or a track day competitor, these arms provide the flexibility needed to enhance handling, improve grip, and maintain proper alignment under aggressive driving conditions. Crafted for durability and precision, they are an essential upgrade for those seeking to optimize their vehicle’s suspension geometry and overall performance.

Key Features

Designed with high-strength materials and a focus on adjustability, these rear upper arms feature a robust construction that withstands the rigors of spirited driving. The adjustable design allows for a wide camber range, enabling precise alignment settings to suit your driving style and conditions. The arms are engineered for easy installation and compatibility with the factory suspension components, providing a reliable upgrade that maintains OEM-like fitment and function. Their corrosion-resistant finish ensures long-lasting performance, even in demanding environments.

Construction & Design

Constructed from high-quality, durable materials, these arms incorporate precision-machined components and corrosion-resistant coatings. The design emphasizes strength and stability, helping to maintain proper suspension geometry during aggressive cornering and track use.

Driving Feel & Feedback

By allowing for precise camber adjustments, these arms help improve rear grip and handling response. The enhanced suspension geometry provides more predictable steering feedback and a more confident driving experience, especially on challenging roads or racetracks.

Installation & Fitment

The SPL Rear Upper Arms are designed as direct bolt-on replacements for the factory components. Installation is straightforward for those familiar with suspension work, and no additional modifications are typically required. Proper alignment should be verified after installation to ensure optimal performance.

What’s Included

The package includes the adjustable rear upper arms, along with all necessary hardware for installation. Additional components or tools are not typically required.

Ideal For

This product is ideal for BMW M4 owners looking to improve rear suspension adjustability, tire wear, and handling performance—perfect for enthusiasts, track day drivers, and anyone seeking a precise suspension setup.