SPL Parts FKS Series Front Spherical Caster Rod Bushing Set

2016–2018 BMW 340i (F30)

Part #: SPL CRBN F3IX

Overview

The SPL Parts FKS Series Front Spherical Caster Rod Bushing Set is designed to enhance the handling and steering precision of your BMW 340i (F30) from 2016 to 2018. These high-performance bushings replace the factory rubber components with durable, low-friction spherical bearings, providing a significant upgrade in suspension articulation and responsiveness. Whether you're a spirited street driver, a track enthusiast, or someone seeking improved stability during aggressive driving, this bushing set is engineered to deliver noticeable improvements in your vehicle's handling characteristics.

By eliminating bushing deflection and reducing friction, these spherical bushings help maintain optimal suspension geometry under load, resulting in more precise steering feedback and improved braking performance. The result is a more connected driving experience with sharper turn-in and enhanced overall control. Designed with durability and performance in mind, these bushings are an excellent upgrade for enthusiasts looking to push their BMW's handling capabilities to the next level.

Key Features

The SPL Parts FKS Series bushings incorporate several advanced features to ensure maximum performance and longevity:

• Constructed with massive 1" FK Racing Bearings featuring self-lubricating Teflon liners for smooth articulation and reduced maintenance.
• Made from high-quality 6061-T6 aluminum, providing a lightweight yet robust housing that withstands the rigors of aggressive driving.
• Designed to replace the stock flexible rubber bushings, offering a direct and precise connection between suspension components.
• Eliminates bushing deflection, ensuring consistent suspension geometry under load for improved handling feedback.
• Optimized for durability, with materials selected to resist wear, corrosion, and thermal expansion.
• Engineered for easy installation with OEM mounting points, requiring no modifications or additional tuning.
• Enhances steering response, turn-in, and overall vehicle stability, especially during high-performance driving scenarios.

Construction & Design

The SPL Parts FKS Series bushings are meticulously engineered with a focus on performance and durability. The spherical bearings are crafted from high-grade FK Racing components, featuring self-lubricating Teflon liners that reduce friction and eliminate the need for frequent maintenance. The bearing housings are machined from 6061-T6 aluminum, a lightweight and corrosion-resistant alloy, ensuring long-lasting performance even under demanding conditions.

The design incorporates a precise fit to OEM suspension mounting points, ensuring a secure and stable connection. The spherical bearing setup allows for full articulation, which helps maintain suspension geometry during aggressive cornering and load transfer. This results in more predictable handling, sharper steering response, and improved feedback, making it an ideal upgrade for enthusiasts seeking to maximize their vehicle's performance.

Installation & Fitment

The SPL Parts FKS Series Front Spherical Caster Rod Bushing Set is designed as a direct bolt-on upgrade for the specified BMW 340i (F30) models from 2016 to 2018. Installation is straightforward for those with basic mechanical skills and the proper tools, as it utilizes OEM mounting points without the need for cutting or modifications. No special tuning or alignment adjustments are typically required, but a professional alignment is recommended after installation to ensure optimal handling and tire wear.

• Easy bolt-on installation using factory mounting points
• No cutting, drilling, or additional modifications needed
• Recommended to have a professional alignment after installation

What's Included

• Front Spherical Caster Rod Bushing Set with FK Racing Bearings
• High-quality aluminum housings
• All necessary hardware and mounting components
• Installation instructions

Ideal For

• BMW 340i (F30) owners seeking improved handling and steering response
• Performance enthusiasts looking to reduce suspension flex and bushing deflection
• Track day drivers aiming for more precise suspension geometry
• Street drivers wanting a more connected and responsive driving experience