SPL Parts Non-Adjustable Front Caster Rod Bushings

Fitment: 2014-2023 BMW M4 (F82/F83)

Part #: SPL CRBN E9X

Overview

The SPL Parts Non-Adjustable Front Caster Rod Bushings are high-performance suspension components designed specifically for the BMW M4 models from 2014 to 2023. These bushings replace the factory rubber bushings with precision-engineered spherical bearings, providing a more direct and responsive connection between the suspension and chassis. Ideal for enthusiasts seeking improved handling, sharper steering response, and enhanced feedback during aggressive driving or track use, these bushings help maintain optimal suspension geometry under load. Crafted for durability and performance, they support your vehicle’s dynamic capabilities while ensuring long-lasting reliability.

Key Features

Designed with performance in mind, these bushings feature massive 1" FK Racing Bearings with self-lubricating Teflon liners, ensuring smooth articulation and minimal friction. Made in the USA, they are constructed from high-quality materials that withstand rigorous driving conditions. The spherical bearing design eliminates bushing deflection, resulting in more precise steering and handling characteristics. The non-adjustable nature simplifies installation while providing consistent performance. These bushings are engineered to support your vehicle’s suspension geometry, helping to improve braking stability and overall handling response.

Construction & Design

The bushings utilize low-friction spherical bearings with durable Teflon liners, designed to withstand high loads and reduce wear over time. The robust construction ensures maximum performance and longevity, even under demanding driving conditions.

Driving Feel & Feedback

By replacing flexible rubber with articulating spherical bearings, these bushings deliver a more direct connection to the suspension, enhancing steering feel and feedback. They help reduce deflection under load, providing a more predictable and confident driving experience, especially during spirited driving or track days.

Installation & Fitment

Installation involves replacing the stock bushings with these high-performance units, requiring standard suspension tools. Fitment should be verified against the vehicle’s specifications and the part number provided.

What’s Included

The package includes the non-adjustable front caster rod bushings with FK Racing spherical bearings, designed for a straightforward upgrade to your BMW M4 suspension system.