Four Seasons 20415 HVAC Blower Motor Resistor

Overview of Four Seasons Resistor Block 20415

The Four Seasons Resistor Block 20415 is designed to regulate blower motor speeds in select BMW models. This HVAC blower motor resistor ensures consistent airflow control for your vehicle's heating and cooling system.

• Connector Gender: Female
• Connector Shape: Rectangular
• Number of Terminals: 4
• Speed Setting: Fixed #3
• Type: Switches

About the Four Seasons Resistor Block Product Line

The Resistor Block line by Four Seasons focuses on reliable HVAC components that maintain proper blower motor function. This product line is engineered to meet OEM specifications, providing precise control over blower motor speeds and ensuring optimal climate control performance in vehicles like the BMW 3 Series.

Detailed Product Description

The Four Seasons Resistor Block 20415 features a female rectangular connector with four terminals, designed for a fixed speed setting (#3). This resistor block is a critical component in the HVAC system, controlling the blower motor speed by switching electrical resistance. Its design supports consistent airflow regulation, which is essential for maintaining comfortable cabin temperatures in BMW models such as the 318i, 318is, 323i, 323is, 323ti, 325i, 325is, 328i, 328is, and M3.

Common Applications and Issues Addressed

• Restores blower motor speed control in BMW 3 Series HVAC systems
• Resolves issues with blower fan stuck on a single speed
• Fixes intermittent or no airflow from the HVAC blower motor
• Eliminates overheating or electrical resistance failures in blower circuits
• Improves overall HVAC system reliability in BMW 318i, 325is, and M3 models

Installation Notes and Tips

When installing the Four Seasons Resistor Block 20415, ensure the female rectangular connector aligns properly with the vehicle’s wiring harness. Verify that all four terminals are securely connected to avoid electrical resistance issues. It is recommended to inspect the blower motor and related components for wear or damage during replacement to ensure full HVAC system functionality.

Quality Assurance and Warranty

Four Seasons manufactures the Resistor Block 20415 to meet strict quality standards, ensuring durability and consistent performance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.