Dorman 984-430 HVAC Blower Motor Resistor - Rear

Reliable HVAC Blower Motor Resistor for BMW Models

The Dorman 984-430 HVAC blower motor resistor is designed to restore proper blower motor function in select BMW vehicles. Engineered to meet OEM specifications, this resistor ensures consistent airflow control for your BMW 525i, 530i, 545i, and 645Ci models.

• Compatible with BMW 525i, 530i, 545i, and 645Ci models
• Part number 984-430 for precise identification
• Features two bolt holes for secure mounting
• Includes two rectangular female connectors with bullet and cilindro terminal types
• Comes with blower motor resistor and installation instructions

Product Details and Specifications

The Dorman 984-430 blower motor resistor is constructed with two bolt holes to ensure a stable and secure fit within the HVAC system. It features two rectangular female connectors designed to interface with male terminals of bullet and cilindro types, providing reliable electrical connections. The resistor includes two connectors and multiple terminal configurations (two and three terminals) to accommodate the specific wiring requirements of your BMW HVAC blower motor system. This part does not include a wiring harness or mounting hardware, so existing components should be reused during installation.

Compatible BMW Models and Applications

This blower motor resistor is compatible with the following BMW models: 525i, 530i, 545i, and 645Ci. It is specifically designed to replace faulty or worn resistors that cause inconsistent blower motor speeds or complete failure of the HVAC blower system. Using the correct resistor ensures proper fan speed control and maintains cabin comfort.

• Restores blower motor speed control in BMW 525i, 530i, 545i, and 645Ci
• Resolves issues with blower motor not operating at certain speeds
• Eliminates intermittent blower motor function or no airflow
• Prevents overheating or electrical faults in the blower motor circuit
• Improves HVAC system reliability and performance

Installation Notes and Tips

When installing the Dorman 984-430 blower motor resistor, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shock. The resistor mounts using two bolt holes; verify the mounting location matches the original part. Connect the rectangular female connectors to the corresponding male terminals, confirming the bullet and cilindro terminal types align correctly. Since mounting hardware and wiring harness are not included, retain and reuse existing components. Follow the included instructions carefully for proper installation and secure connections.

Quality Assurance and Warranty Information

Dorman manufactures the 984-430 blower motor resistor to meet or exceed OEM standards for fit, form, and function. Each unit undergoes quality control testing to ensure durability and reliable performance in BMW HVAC systems. The product includes installation instructions to assist with proper setup. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.