SPL Parts FKS Series Front Spherical Caster Rod Bushing Set

2017–2020 BMW 430i xDrive Gran Coupe (F36)

Part #: SPL CRBN F3IX

Overview

The SPL Parts FKS Series Front Spherical Caster Rod Bushing Set is a high-performance upgrade designed specifically for the discerning BMW enthusiast. Engineered for the 2017-2020 BMW 430i xDrive Gran Coupe (F36), this kit replaces the factory rubber bushings with precision-crafted spherical bearings that significantly enhance your vehicle's suspension response. Whether you're a street driver seeking improved handling or a track enthusiast pushing your BMW to its limits, these bushings deliver superior performance and durability.

By upgrading to these spherical bushings, you'll experience more precise steering feedback, reduced bushing deflection under load, and improved overall suspension geometry. This results in better braking stability, sharper turn-in, and a more connected driving experience. Designed with both performance and longevity in mind, these bushings are ideal for those looking to maximize their BMW's handling capabilities without sacrificing everyday drivability.

Key Features

The SPL Parts FKS Series Front Spherical Caster Rod Bushing Set incorporates advanced materials and engineering to deliver unmatched performance:

• High-Quality Materials: Crafted from 6061-T6 aluminum for the bearing housings, ensuring strength, corrosion resistance, and lightweight durability.
• Massive FK Racing Bearings: Equipped with 1" FK Racing spherical bearings featuring self-lubricating Teflon liners, these bearings provide low friction articulation and long-lasting performance.
• Low Friction Articulation: The spherical design eliminates bushing deflection, maintaining optimal suspension geometry under load for improved handling feedback.
• Enhanced Durability: Designed to withstand aggressive driving conditions, these bushings resist wear and maintain performance over time.
• Precision Fitment: Engineered specifically for the F36 chassis, ensuring a perfect, bolt-on installation without modifications.
• Improved Handling: By reducing compliance in the suspension linkages, these bushings help support more responsive steering and better cornering stability.
• Reduced Friction: The articulating spherical bearings minimize friction compared to traditional rubber bushings, translating to more direct power transfer and feedback.

Construction & Design

The SPL Parts FKS Series bushings are meticulously engineered with a focus on strength, precision, and longevity. The bearing housings are machined from 6061-T6 aluminum, a material renowned for its excellent strength-to-weight ratio and corrosion resistance. The spherical bearings utilize FK Racing's renowned design, featuring a 1" diameter Teflon-lined bearing that provides smooth articulation and minimal maintenance.

The design eliminates the rubber bushings' inherent flex and deflection, ensuring that your suspension geometry remains consistent under various load conditions. This stability translates into more predictable handling, especially during spirited driving or aggressive cornering. The kit is assembled with high-quality hardware and designed for a straightforward, bolt-on installation that requires no additional modifications.

Installation & Fitment

The SPL Parts FKS Series Front Spherical Caster Rod Bushing Set is designed as a direct bolt-on upgrade for the 2017-2020 BMW 430i xDrive Gran Coupe (F36). The installation process is straightforward for those with basic mechanical skills, typically requiring standard hand tools. No cutting, drilling, or complex modifications are necessary. It is recommended to follow proper suspension alignment procedures after installation to ensure optimal handling and tire wear.

• Direct bolt-on fit for the specified BMW F36 chassis
• No cutting, drilling, or tuning required
• Installation typically takes 1-2 hours

What's Included

• Front Spherical Caster Rod Bushings (pair)
• High-strength mounting hardware
• Installation instructions

Ideal For

• BMW enthusiasts seeking improved handling and steering response
• Track day drivers looking for more precise suspension feedback
• Performance-oriented street drivers aiming to reduce bushing flex and deflection