Dorman 523-249 Suspension Knuckle Bushing - Rear Lower Rearward

Durable Suspension Knuckle Bushing for BMW Models

The Dorman 523-249 suspension knuckle bushing is engineered to provide reliable performance for a wide range of BMW vehicles. Constructed from elastomer and steel, this black bushing offers a precise fit and long-lasting durability for models including the 1 Series M, 3 Series, 4 Series, and X1.

• Material: Elastomer and steel for strength and flexibility
• Length: 60 mm for accurate fitment
• Inside Diameter: 12.2 mm to match OEM specifications
• Outside Diameter: 60 mm ensuring proper seating
• Grade Type: Regular for standard suspension applications
• Mounting Hardware: Not included, sold separately
• Package Contents: Single suspension knuckle bushing

Product Details and Specifications

The Dorman 523-249 suspension knuckle bushing is designed to replace worn or damaged bushings in the suspension knuckle assembly of various BMW models. Its elastomer and steel construction balances flexibility with structural integrity, helping to absorb road vibrations and maintain proper alignment. The black finish provides corrosion resistance, while the precise dimensions—60 mm length, 12.2 mm inside diameter, and 60 mm outside diameter—ensure compatibility with factory mounting points.

Compatible BMW Models and Applications

This suspension knuckle bushing is compatible with numerous BMW vehicles, including but not limited to the 1 Series M, 118i, 120i, 125i, 128i, 130i, 135i, 135is, 220i, 228i, 230i, 235i, 318i, 320i, 323i, 325i, 328d, 328i, 330e, 330i, 335d, 335i, 340i, 420i, 428i, 430i, 435i, 440i, ActiveHybrid 3, i8, M2, M3, M4, M135i, M140i, M235i, M240i, and X1 models. The part number 523-249 ensures precise replacement for these vehicles' suspension knuckle bushings.

Common Suspension Issues Addressed

• Excessive suspension noise or clunking
• Uneven tire wear due to misalignment
• Reduced handling stability and control
• Vibration or harshness during driving
• Worn or cracked original bushings causing suspension play

Installation Notes and Tips

Installation of the Dorman 523-249 suspension knuckle bushing requires removal of the suspension knuckle assembly. It is recommended to use appropriate press tools to avoid damage during removal and installation. Since mounting hardware is not included, verify the condition of existing bolts and replace if necessary. Proper torque specifications should be followed to ensure secure fitment and optimal suspension performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 523-249 suspension knuckle bushing undergoes rigorous quality control to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship for this part.