Superpro Rear Subframe Front & Rear Bushing Kit

2006–2012 BMW 3 Series (E90/E91/E92) 325i & 328i (M54 & N52 engines)

Part #: SPF3946-90K

Overview

The SuperPro Rear Subframe Front & Rear Bushing Kit is designed to enhance the handling, stability, and overall driving experience of your BMW 3 Series from 2006 to 2012. Whether you're a spirited enthusiast looking to improve cornering response or a daily driver seeking increased safety and tire wear benefits, this comprehensive bushing kit offers a significant upgrade over the factory components.

Manufactured by SuperPro, a trusted name in automotive suspension and chassis components, this kit provides a direct replacement for worn or degraded bushings, restoring optimal geometry and reducing unwanted movement in the rear subframe. The result is improved steering precision, better tire contact with the road, and a more confident driving feel.

Key Features

SuperPro's Rear Subframe Bushing Kit is engineered with durability and performance in mind. Crafted from high-quality polyurethane, these bushings are designed to withstand extreme temperatures and harsh driving conditions without degrading or losing their shape. The kit includes both front and rear subframe bushings, ensuring a comprehensive upgrade that restores factory alignment and handling characteristics.

• Constructed from advanced polyurethane material for long-lasting performance and resistance to wear
• Precisely engineered to correct or maintain factory steering geometry, enhancing handling and safety
• Reduces unwanted subframe movement, leading to improved tire wear and fuel efficiency
• Designed for easy installation with minimal modifications required
• Helps support more responsive steering and a firmer, more connected feel during spirited driving
• Resistant to oil, dirt, and other contaminants, ensuring reliable performance over time
• Manufactured with strict quality control standards to ensure consistent fit and function

Construction & Design

This bushing kit features high-grade polyurethane components that are engineered to outperform traditional rubber bushings. The polyurethane formulation provides a stiffer, more responsive feel while maintaining flexibility to absorb road vibrations. The bushings are precision-machined and designed to fit perfectly into your vehicle's rear subframe, ensuring a secure and stable connection.

The design incorporates a one-piece construction for each bushing, which enhances durability and reduces the likelihood of failure. The kit is CAD-developed to match OEM specifications, ensuring a seamless fit and restoring your vehicle's handling characteristics to their optimal state.

Installation & Fitment

The SuperPro Rear Subframe Bushing Kit is a direct bolt-in replacement for the factory bushings, making installation straightforward for those with basic mechanical skills. No cutting or extensive modifications are required. It is recommended to use proper lifting equipment and follow standard suspension service procedures. For optimal results, a professional alignment is advised after installation to ensure proper steering geometry and tire wear.

• Designed for easy installation with factory mounting points
• No special tools or modifications needed
• Suitable for DIY enthusiasts and professional mechanics alike

What's Included

• Complete set of polyurethane front and rear subframe bushings
• All necessary hardware and mounting components
• Installation instructions

Ideal For

• BMW 3 Series owners seeking improved handling and stability
• Enthusiasts wanting to restore or upgrade suspension components
• Drivers experiencing excessive subframe movement or uneven tire wear
• Anyone looking for a durable, long-lasting solution to worn factory bushings