Dorman 740-479 Window Regulator - Front Right

Reliable Electric Window Regulator for BMW 5 Series

The Dorman 740-479 window regulator is designed to restore smooth electric window operation for select BMW models. Engineered with durable materials, this part ensures consistent performance for your BMW 525i, 528i, 530i, 540i, and M5 vehicles.

• Compatible with BMW 525i, 528i, 530i, 540i, and M5 models
• Electric window operation type for seamless power window control
• Durable metal and plastic frame construction
• Plastic gear material for reliable movement
• Bolt-on attachment type for straightforward installation
• Includes one power regulator without motor or mounting hardware

Durable Construction and Design Features

The Dorman 740-479 window regulator features a combination of metal and plastic frame materials that provide strength while reducing weight. The plastic gear material is engineered to engage smoothly with the window mechanism, ensuring quiet and efficient operation. This regulator is designed for electric window systems and does not include a motor, making it ideal for replacing just the regulator component. The bolt-on attachment type allows for a secure fit using existing mounting points on your BMW 5 Series vehicle.

Compatible BMW Models and Applications

This window regulator is specifically compatible with BMW 525i, 528i, 530i, 540i, and M5 models. It is intended for vehicles equipped with electric window operation systems. The part number 740-479 corresponds to this exact fitment, ensuring proper alignment and function when replacing a faulty or damaged window regulator in these BMW models.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or no response from electric window controls
• Grinding or unusual noises during window operation
• Window glass becoming stuck or misaligned
• Wear or damage to the original window regulator mechanism

Installation Notes and Tips

The Dorman 740-479 window regulator is designed for bolt-on installation using existing mounting points. Note that this product does not include mounting hardware or a motor, so those components must be reused or purchased separately if needed. Installation instructions are not included, so professional installation or reference to a service manual is recommended to ensure proper fit and function. Care should be taken to handle the window glass carefully during removal and installation to avoid damage.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. While this window regulator does not include a motor or mounting hardware, it is built with durable materials to provide reliable service life. Please refer to Dorman's warranty policy for specific coverage details related to this part number 740-479.