SuperPro 1984 BMW 318i Base Rear Subframe Bushing Set

Suspension subframes form the connection between the suspension and the vehicle's body and passenger compartment. These are one of the key areas vehicle manufacturers use to tune the passenger comfort and isolation. This means in many vehicles the bushings that soft heavily-voided rubber is used. As this rubber ages and degrades it allows significant movement in the suspension mounting which impacts traction, handling and control. In more powerful vehicles the original soft rubber bushings can also contribute to wheel hop under acceleration and significant movement in changing loads or gear changes “ all of which sap performance and reduce passenger comfort. SuperPro repairs and enhances performance while retaining OEM levels of isolation through the use of superior materials and designs. Further; the performance of SuperPro's subframe bushings does not degrade overtime as the synthetic elastomer materials used are not compromised be exposure to the elements or the varying loads over a vehicle's life.

Upgrade the rear suspension connection in your compatible BMW with the SuperPro SPF4184K Rear Subframe Bushing Set. The suspension subframe connects the suspension system to the vehicle body and passenger compartment, making its bushings essential to ride comfort, handling, traction, and overall control. As original soft rubber bushings age, crack, and lose their effectiveness, unwanted movement can develop at the suspension mounting points.

The SuperPro SPF4184K uses advanced synthetic elastomer materials and performance-focused designs to help reduce excessive subframe movement while maintaining OEM-style isolation. By improving the stability of the rear suspension mounting, these bushings can help sharpen handling response, improve load control, and reduce wheel hop during acceleration in higher-powered applications. They are designed to support more consistent suspension performance under changing loads and gear changes.

Unlike conventional rubber compounds that can deteriorate from exposure to the elements and repeated suspension loads, SuperPro synthetic elastomer bushings are engineered for long-term durability. This set provides a practical way to restore worn rear subframe mounting performance while enhancing the driving characteristics of select BMW applications. The set is designed for compatible 1986–1991 BMW models, including the 318i, 325, 325es, 325i, 325iS, and 325iX; verify vehicle application before ordering.

Features:

• Brand: SuperPro

• Part Number: SPF4184K

• Application: Rear subframe bushing set

• Material: Durable synthetic elastomer

• Performance: Reduces excessive suspension subframe movement

• Handling: Helps improve traction, control, and load response

• Comfort: Retains OEM-style suspension isolation

• Durability: Resists degradation from environmental exposure and repeated loads

• Fitment: Compatible with select 1986–1991 BMW 318i, 325, 325es, 325i, 325iS, and 325iX models

Fitment:
BMW 318i Base 1984
BMW 318i Base 1985
BMW 318i Base 1991
BMW 318is Base 1991
BMW 325 Base 1986
BMW 325 Base 1987
BMW 325 Base 1988
BMW 325e Base 1984
BMW 325e Base 1985
BMW 325e Base 1986
BMW 325e Base 1987
BMW 325es Base 1986
BMW 325es Base 1987
BMW 325i Base 1987
BMW 325i Base 1988
BMW 325i Base 1989
BMW 325i Base 1990
BMW 325i Base 1991
BMW 325is Base 1987
BMW 325is Base 1988
BMW 325is Base 1989
BMW 325is Base 1990
BMW 325is Base 1991
BMW 325iX Base 1988
BMW 325iX Base 1989
BMW 325iX Base 1990
BMW 325iX Base 1991
BMW M3 Base 1988
BMW M3 Base 1989
BMW M3 Base 1990
BMW M3 Base 1991