Dorman 740-410 Window Regulator - Front Left

Overview of Dorman 740-410 Window Regulator for BMW

The Dorman 740-410 window regulator is designed for select BMW models including the 525i, 525iT, 530i, 535i, 540i, and M5. This electric window regulator provides reliable window operation with a durable metal and plastic frame construction.

• Compatible with BMW 525i, 525iT, 530i, 535i, 540i, and M5 models
• Electric window operation type for smooth functionality
• Durable metal and plastic frame materials for strength and longevity
• Plastic gear material designed for consistent performance
• Bolt-on attachment type for secure installation
• Includes one power regulator without motor or mounting hardware

Product Details and Specifications

The Dorman 740-410 window regulator features a combination of metal and plastic frame materials that balance durability and weight. The plastic gear material is engineered to provide reliable engagement and smooth window movement. This part is designed for electric window operation but does not include the motor, allowing for replacement of the regulator mechanism only. The bolt-on attachment type ensures a secure fit to the door assembly. Note that mounting hardware and installation instructions are not included with this product.

Compatible BMW Models and Use Cases

This window regulator is compatible with a range of BMW vehicles, specifically the 525i, 525iT, 530i, 535i, 540i, and M5 models. It is intended for use in repairing or replacing faulty window regulators that cause issues such as:

• Window glass failing to move up or down smoothly
• Window becoming stuck or jammed in the door frame
• Unusual noises during window operation
• Window slipping or falling inside the door
• Electric window mechanism malfunction without motor failure

Installation Notes and Tips

Installation of the Dorman 740-410 window regulator requires removal of the door panel and careful handling of the window glass. Since mounting hardware and installation instructions are not included, it is recommended to have professional installation or consult a repair manual specific to the BMW model. Ensure the regulator is properly aligned and securely bolted to avoid operational issues.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While this product does not include a motor or mounting hardware, it is engineered for durability and reliable performance. Please refer to Dorman's warranty policy for specific coverage details related to the 740-410 window regulator.