Dorman 926-577 Coil Spring - Rear

Durable Coil Springs for BMW 325i, 325xi, and 330xi

The Dorman 926-577 coil springs are engineered to restore your BMW's suspension performance with precision. Designed specifically for BMW 325i, 325xi, and 330xi models, these coil springs provide reliable support and consistent ride quality.

• Constructed from high-strength carbon steel for durability
• Standard suspension grade with a spring rate of 361
• Black E-coat finish for corrosion resistance
• 5 coils with a free height of 220 mm for proper suspension geometry
• Pigtail ends with outside diameters of 70 mm and 74 mm for secure fitment
• Wire diameter of 14.5 mm ensuring strength and flexibility
• Package includes 2 coil springs for axle replacement

Technical Details and Specifications

The Dorman 926-577 coil springs are made from carbon steel, providing a balance of strength and flexibility necessary for suspension components. The springs feature a maximum outside diameter of 74 mm and a maximum inside diameter of 46.5 mm, with 5 coils wound to a free height of 220 mm. Both ends are designed with pigtail types, ensuring proper seating and alignment within the suspension assembly. The black E-coat finish offers protection against rust and environmental wear, extending the service life of the springs. With a spring rate of 361, these coil springs maintain the standard suspension grade required for consistent handling and ride comfort in BMW 325i, 325xi, and 330xi vehicles.

Compatible Vehicles and Applications

These coil springs are compatible with the following BMW models:

• BMW 325i
• BMW 325xi
• BMW 330xi

They are designed to replace worn or damaged coil springs in the suspension system, helping to restore proper ride height and handling characteristics.

Common Suspension Issues Addressed

• Sagging or uneven ride height
• Reduced suspension responsiveness
• Excessive body roll during cornering
• Noise or vibration from worn springs
• Compromised vehicle stability and handling

Installation Notes and Tips

When installing the Dorman 926-577 coil springs, ensure the vehicle is securely lifted and supported. Use appropriate spring compressors to safely remove and install the springs. Verify that the pigtail ends seat correctly in the suspension mounts to avoid misalignment. It is recommended to inspect related suspension components such as shocks and struts during installation for optimal performance.

Quality Assurance and Warranty

Dorman coil springs are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The E-coat finish provides enhanced corrosion resistance for extended service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship.