SPL Parts Rear Spherical Knuckle Bushing Kit

Fitment: 2001-2006 BMW 325Ci (E46)

Part #: SPL RKB E36

Overview

The SPL Parts Rear Spherical Knuckle Bushing Kit is a high-performance upgrade designed specifically for the BMW 325Ci (E46) from 2001 to 2006. This kit replaces the factory rubber bushings in the rear knuckle with precision-engineered spherical bearings, providing a more direct and responsive connection between suspension components. Ideal for enthusiasts seeking improved handling, reduced bushing flex, and enhanced feedback, this kit supports a more precise suspension geometry under load. It is suitable for street and track use, offering a significant upgrade over stock bushings in terms of durability and performance consistency.

Key Features

This bushing kit features high-quality materials and a design focused on durability and performance. The spherical bearings are constructed with FK Racing Bearings, incorporating a self-lubricating Teflon liner for long-lasting operation. The monoball design eliminates bushing flex and reduces friction, resulting in more predictable handling and sharper steering response. The kit is engineered to maintain optimal suspension geometry under load, helping to improve overall vehicle stability and feedback during aggressive driving or spirited street use. Its robust construction ensures longevity and consistent performance over time.

Construction & Design

The components are crafted from high-strength materials with precision machining to ensure a perfect fit and reliable operation. The spherical bearings are designed to withstand the stresses of high-performance driving while maintaining smooth articulation and minimal wear. The self-lubricating Teflon liner reduces maintenance needs and enhances the longevity of the bushings, making them suitable for demanding driving conditions.

Installation & Fitment

Installation requires removal of the existing rubber bushings and precise fitting of the spherical bearings into the rear knuckle. Basic suspension tools and alignment adjustments are recommended to ensure proper installation and optimal performance. Fitment should be verified against the vehicle’s specifications and the part number provided.

What’s Included

The kit includes all necessary spherical bearings, mounting hardware, and installation instructions to facilitate a straightforward upgrade process.

Ideal For

This product is ideal for BMW enthusiasts, track day drivers, and anyone looking to enhance their vehicle’s handling precision and suspension responsiveness. It is suitable for street-driven cars that are regularly subjected to spirited driving or track use, providing a durable and performance-oriented solution for rear suspension upgrades.