Superpro SuperPro 21mm Front Sway Bar Mount Bushing Kit (Flat Base)

1985–1991 BMW 3 Series E30 318i, 318is, 325, 325e, 325es, 325i, 325is, 325iX

Part #: SPF0358-21K

Overview

The SuperPro 21mm Front Sway Bar Mount Bushing Kit (Flat Base) is designed to enhance the handling and stability of your BMW E30 chassis. Specifically engineered for the 1985 to 1991 models, this kit replaces the factory bushings with high-performance polyurethane components that improve sway bar response and reduce unwanted movement. Whether you're a daily driver, a spirited enthusiast, or a track day participant, this upgrade helps you achieve more precise steering and improved cornering performance.

By upgrading to these durable bushings, you'll notice a more direct feel through the steering wheel, increased grip during aggressive turns, and enhanced overall chassis control. The polyurethane material offers a significant upgrade over the original rubber bushings, providing better resistance to wear, weather, and oil exposure, ensuring long-lasting performance and reliability.

Key Features

SuperPro's Front Sway Bar Mount Bushing Kit features advanced polyurethane construction designed to optimize your vehicle's suspension response. The bushings are precisely engineered to fit the factory sway bar mounts, ensuring a perfect, secure fit that maintains proper alignment and reduces unwanted movement. The flat base design simplifies installation and ensures consistent performance.

• High-quality polyurethane material for durability and longevity
• Designed specifically for the BMW E30 3 Series (1985–1991)
• Improves handling, steering response, and cornering stability
• Reduces sway bar movement and enhances chassis stiffness
• Easy bolt-on installation with no modifications required
• Resistant to oil, dirt, and weather exposure for long-term reliability
• Maintains factory ride quality while providing performance benefits
• Part of SuperPro's extensive suspension upgrade lineup for BMW E30

Construction & Design

The SuperPro sway bar bushings are crafted from proprietary polyurethane formulations that strike an ideal balance between firmness and compliance. This material resists compression and deformation over time, ensuring consistent handling characteristics. The flat base design provides a stable mounting platform, reducing flex and unwanted movement during aggressive driving. Each bushing is precision-molded to match the factory specifications, guaranteeing a perfect fit and easy installation without the need for additional modifications.

Installation & Fitment

The SuperPro 21mm Front Sway Bar Mount Bushing Kit is designed for a straightforward bolt-on installation. It fits directly onto the factory sway bar mounts on your BMW E30 without the need for cutting, drilling, or special tools. Basic mechanical skills and standard hand tools are sufficient to complete the upgrade. No additional modifications or tuning are required, making this an accessible upgrade for enthusiasts and DIYers alike.

• Bolt-on installation with basic hand tools
• No cutting, drilling, or tuning necessary
• Designed to fit factory sway bar mounts precisely

What's Included

• Set of polyurethane sway bar mount bushings (flat base)
• Installation hardware and instructions

Ideal For

• BMW E30 owners seeking improved handling and chassis response
• Enthusiasts looking to upgrade suspension components for better cornering
• Track day participants and spirited drivers
• Daily drivers wanting enhanced stability and durability