Dorman HW17450 Parking Brake Hardware Kit - Rear

Reliable Parking Brake Hardware Kit for BMW Models

The Dorman HW17450 Parking Brake Hardware Kit is designed to restore proper function to the parking brake system on select BMW vehicles. Constructed from durable steel, this kit includes all necessary components to replace worn or damaged hardware, ensuring consistent brake performance and safety.

• Made from high-quality steel for durability and corrosion resistance
• Includes 2 adjuster screws, 2 adjuster tips, 2 adjuster nuts, and 4 return springs with colored springs for easy identification
• Brake shoe length required: 5.85 inches; width required: 0.79 inches
• Compatible with multiple BMW models including 128i, 230i, 320i, 325i, 328d, 330i, 340i, 430i, 440i, M2, M3, M4, M240i, and Z4
• FMSI numbers 831 and Shoe 828 for precise fitment reference

Detailed Product Description

This parking brake hardware kit from Dorman is engineered to meet the specifications required for proper parking brake operation on a range of BMW vehicles. The steel components provide strength and resistance to wear, while the included colored springs help technicians quickly identify and install the correct parts. The kit supports brake shoes with a length of 5.85 inches and a width of 0.79 inches, matching the OEM requirements for the listed BMW models. The FMSI numbers 831 and Shoe 828 correspond to the hardware design, ensuring compatibility and ease of installation.

Compatible BMW Models and Applications

This Dorman HW17450 kit is compatible with various BMW models, including the 128i, 230i, 230i xDrive, 320i, 320i xDrive, 325Ci, 325i, 325xi, 328d, 328d xDrive, 330e, 330i GT xDrive, 330i xDrive, 340i, 340i GT xDrive, 340i xDrive, 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, 440i, 440i Gran Coupe, 440i xDrive, 440i xDrive Gran Coupe, M2, M3, M4, M240i, M240i xDrive, and Z4. This ensures that technicians working on these models can rely on this kit for accurate hardware replacement.

Common Issues Addressed by This Kit

• Worn or broken parking brake return springs causing brake drag or failure
• Damaged adjuster screws or nuts leading to improper brake shoe adjustment
• Corroded hardware components reducing parking brake effectiveness
• Difficulty maintaining parking brake tension due to faulty hardware
• Uneven brake shoe wear resulting from hardware malfunction

Installation Notes and Tips

When installing the Dorman HW17450 Parking Brake Hardware Kit, ensure the brake shoes meet the specified length and width requirements (5.85 inches length and 0.79 inches width). Use the colored springs to correctly identify and position each return spring. It is recommended to clean the backing plate and inspect other brake components for wear during installation. Proper adjustment of the parking brake system after hardware replacement is essential for optimal performance.

Quality Assurance and Warranty

Dorman manufactures this parking brake hardware kit with steel components designed for durability and long service life. The kit is engineered to meet or exceed OEM specifications for the listed BMW models. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship, supporting professional repair confidence.