SPL Parts Rear Spherical Knuckle Bushing Kit

Fitment: 2001-2005 BMW 330xi (E46)

Part #: SPL RKB E36

Overview

The SPL Parts Rear Spherical Knuckle Bushing Kit is a high-performance upgrade designed for BMW enthusiasts seeking improved suspension response and handling. Specifically engineered for the 2001-2005 BMW 330xi (E46), this kit replaces the factory rubber bushings with precision-articulating spherical bearings. The result is a more direct connection between the suspension components, providing enhanced feedback, reduced flex, and consistent geometry under load. Whether you're a track day enthusiast or a spirited street driver, these bushings help maintain optimal alignment and handling characteristics, contributing to a more confident driving experience and improved vehicle control.

Key Features

Designed with durability and performance in mind, these monoball bushings feature FK Racing Bearings with a self-lubricating Teflon liner, ensuring long-lasting operation with minimal maintenance. The spherical bearings eliminate bushing flex and reduce bind and friction, allowing for more precise suspension movement. Crafted from high-quality materials, these bushings are built to withstand rigorous driving conditions while maintaining their structural integrity. The kit helps improve steering response, cornering stability, and overall suspension feel, making it an ideal upgrade for performance-oriented drivers.

Construction & Design

The bushings utilize low-friction articulating spherical bearings that replace the stock rubber components. The design ensures maximum articulation and load distribution, supporting consistent suspension geometry during aggressive driving or cornering. The use of high-grade materials and precision machining enhances durability and performance, making these bushings a reliable upgrade for demanding applications.

Installation & Fitment

Installation requires basic suspension tools and mechanical knowledge. Proper alignment should be checked after installation to ensure optimal handling. Fitment is specific to the 2001-2005 BMW 330xi (E46), and verification against your vehicle’s specifications is recommended before purchase.

What’s Included

The kit includes all necessary spherical bearings, bushings, and hardware required for installation, providing a comprehensive upgrade package for your rear knuckle assembly.