Dorman 540-228 Suspension Stabilizer Bar Bushing Kit - Front

Dorman 540-228 Front Stabilizer Bar Bushings

Dorman 540-228 is a front suspension stabilizer bar bushing kit built for specific BMW applications. It is precision-engineered and tested to replace the original equipment bushing on vehicles that use a non-active front stabilizer bar, helping restore proper sway bar support and suspension control.

Key Features

• Direct-fit suspension stabilizer bar bushing kit for specific BMW models
• Front position application for vehicles without Active Stabilizer Bar
• Rubber/elastomer construction in black for OE-style service replacement
• Standard replacement grade for factory-style fit and function
• Designed around the original equipment dimensions for the correct stabilizer bar interface
• Cross-reference part numbers include BMW 31356766509 and K200726 for the same application

Detailed Description

This Dorman stabilizer bar bushing kit, part number 540-228, is made for front suspension service on select BMW 525i, 528i, 530i, 535i, 545i, 550i, 645Ci, 650Ci, and 650i models. It is a specific-fit replacement for vehicles equipped without an Active Stabilizer Bar, and it is sized to match the original bushing dimensions for proper bar support and reduced movement at the mounting point. The rubber construction is intended for standard replacement use where the original bushing has worn, cracked, or lost its shape.

For BMW 525i, 530i, and related front suspension applications, Dorman 540-228 provides a direct replacement path when the stabilizer bar bushing is the source of noise or looseness. The part number 540-228 is also a useful reference when searching for OE-style front sway bar bushing replacement on these BMW chassis.

Common Problems This Part Can Address

• Front suspension clunking or rattling from worn stabilizer bar bushings
• Excess sway bar movement at the mounting point
• Loose-feeling front end response during cornering
• Cracked, hardened, or deteriorated rubber bushings
• Noise caused by bushing wear on BMW front suspension systems

Installation Notes and Tips

Verify that the vehicle is equipped without Active Stabilizer Bar before ordering. Confirm front suspension fitment by model and year, since this part is specific to select BMW applications. Inspect the stabilizer bar and surrounding brackets for wear or damage before installation, and replace any worn components that could affect bushing performance. Use the original vehicle specifications and service procedures during installation to ensure correct alignment and seating.

Quality Assurance

Dorman designs this stabilizer bar bushing kit as a precision replacement for original equipment on the listed vehicles, and the part is rigorously tested for reliable service in standard suspension repair applications.