Dorman 973-528 HVAC Blower Motor Resistor Kit

Reliable HVAC Blower Motor Resistor Kit for BMW Models

The Dorman 973-528 HVAC blower motor resistor kit is designed to restore proper blower motor function in select BMW vehicles. This kit includes a blower motor resistor and a 6-inch wiring harness, engineered to meet the electrical demands of your BMW's HVAC system.

• Includes 1 blower motor resistor and 1 wiring harness with a 6-inch length
• Features 5 wires and 1 female connector for secure electrical connection
• Blade-type terminals with 5 male terminals ensure reliable contact
• Equipped with 2 mounting holes for stable installation (mounting hardware not included)
• Compatible with multiple BMW models including 320i, 325i, 330i, M3, X3, and X5

Detailed Product Description

The Dorman 973-528 blower motor resistor kit is specifically designed for HVAC electrical connector applications in BMW vehicles. The included wiring harness measures 6 inches in length and features a female connector with blade-type terminals, providing a secure and durable connection to the blower motor resistor. With 5 wires and 5 male terminals, this kit supports the necessary electrical pathways to regulate blower motor speeds effectively. The resistor itself mounts using two mounting holes, ensuring a stable fit within the HVAC system. This kit does not include mounting hardware or gaskets, so ensure your existing hardware is compatible during installation.

Compatible BMW Models and Applications

This blower motor resistor kit is compatible with a wide range of BMW models, including but not limited to:

• BMW 320i, 323Ci, 323i
• BMW 325Ci, 325i, 325xi
• BMW 328Ci, 328i
• BMW 330Ci, 330i, 330xi
• BMW 525i, 528i, 530i, 540i
• BMW M3, M5
• BMW X3, X5

Common Issues Addressed by This Resistor Kit

• Intermittent or non-functioning blower motor speeds
• Blower motor stuck on one speed setting
• HVAC blower motor not responding to control inputs
• Electrical connection failures within the blower motor circuit
• Overheating or failure of the original blower motor resistor

Installation Notes and Tips

When installing the Dorman 973-528 blower motor resistor kit, verify that the wiring harness connections match the vehicle’s existing connectors. The blade terminal type and female connector ensure compatibility with factory wiring. Use the two mounting holes to secure the resistor firmly in place; however, mounting hardware is not included and may need to be sourced separately. Always disconnect the vehicle battery before installation to prevent electrical shorts or damage.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 973-528 blower motor resistor kit undergoes rigorous quality control to ensure reliable performance in BMW HVAC systems. Please refer to Dorman’s warranty policy for specific coverage details.