Dorman 748-744 Power Window Motor and Regulator Assembly - Front Left

Reliable Window Motor and Regulator Assembly for BMW Models

The Dorman 748-744 window motor and regulator assembly is designed to restore smooth window operation in select BMW vehicles. Engineered with a plastic gear and bolt attachment type, this assembly is compatible with BMW 323Ci, 325Ci, 328Ci, 330Ci, and M3 models, providing a direct replacement solution.

• Plastic gear material for consistent performance
• Bolt attachment type for secure mounting
• Includes regulator and motor assembly in one package
• No mounting hardware or installation instructions included
• Compatible with BMW 323Ci, 325Ci, 328Ci, 330Ci, and M3

Product Details and Specifications

This window motor and regulator assembly from Dorman features a plastic gear designed to engage smoothly with the window mechanism, reducing wear and noise during operation. The bolt attachment type ensures a firm and stable installation, although mounting hardware is not included. The assembly comes complete with the regulator, eliminating the need to source separate components. While installation instructions are not provided, the part is engineered for direct fitment on BMW 3 Series models including the 323Ci, 325Ci, 328Ci, 330Ci, and the M3, making it a practical replacement for worn or faulty window regulators.

Common Applications and Problem Resolution

• Restores power window functionality in BMW 3 Series coupe models
• Resolves issues with window sticking or slow movement
• Eliminates grinding or unusual noises from window operation
• Replaces broken or stripped plastic gears in the regulator assembly
• Addresses window failure due to motor malfunction

Installation Notes and Tips

Installation requires removal of the door panel and disconnection of the existing window motor and regulator. Since mounting hardware and installation instructions are not included, having the appropriate tools and familiarity with BMW window assemblies is recommended. Ensure all electrical connections are secure and test window operation before reassembling the door panel. Using the correct torque on bolt attachments will help maintain a secure fit and prevent premature wear.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 748-744 window motor and regulator assembly undergoes quality checks to ensure reliable operation. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or retailer.