Dorman 748-464 Power Window Motor and Regulator Assembly - Rear Left

Reliable Window Motor and Regulator Assembly for BMW Models

The Dorman 748-464 window motor and regulator assembly is designed to restore smooth and efficient power window operation for select BMW vehicles. Engineered with a plastic gear and anti-pinch motor technology, this assembly ensures reliable performance for your BMW 525i, 528i, 530i, 535i, 545i, 550i, and M5 models.

• Plastic gear material for durable and quiet operation
• Bolt attachment type for secure mounting
• Includes regulator for complete window control
• Anti-pinch motor feature enhances safety during window operation
• Six terminal connections for proper electrical integration
• Express up and down window function
• Package contains one power window motor and regulator assembly

Product Details and Features

This Dorman window motor and regulator assembly (part number 748-464) is specifically designed for compatibility with various BMW models including the 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, 535i, 535i xDrive, 535xi, 545i, 550i, and M5. The plastic gear material reduces noise and wear, while the bolt attachment type ensures a secure fit without the need for additional mounting hardware, which is not included. The assembly features an anti-pinch motor that helps prevent injury or damage by stopping window movement when an obstruction is detected. With six terminal connections, it integrates seamlessly with the vehicle’s electrical system. The express up and down function allows for quick window operation, improving convenience and user experience.

Common Applications and Problem Resolution

• Restores power window function in BMW 5 Series and M5 models
• Replaces faulty or worn window motors causing slow or non-responsive windows
• Solves issues with windows that do not fully open or close
• Addresses safety concerns related to window pinch protection
• Eliminates noise and grinding caused by damaged plastic gears

Installation Notes and Tips

Installation requires removal of the door panel and disconnection of the existing window motor and regulator assembly. This part uses bolt attachment points, so ensure proper alignment before tightening. Note that mounting hardware and wiring harness are not included, so retain original components or source replacements as needed. Installation instructions are not provided with this product, so professional installation or reference to a service manual is recommended for proper fitment and operation.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 748-464 window motor and regulator assembly undergoes quality checks to ensure reliable performance in compatible BMW models. While specific warranty details are not included, Dorman typically offers limited warranties on their replacement parts. Verify warranty terms with the supplier or manufacturer for coverage information.