Dorman 740-417 Window Regulator - Rear Right

Reliable Window Regulator for BMW 528i and 540i

The Dorman 740-417 window regulator is designed specifically for BMW 528i and 540i models, providing a durable and efficient solution for electric window operation. This power window regulator offers a bolt-on attachment type for straightforward installation.

Key Features of Dorman 740-417 Window Regulator

• Compatible with BMW 528i and 540i models
• Electric window operation type for smooth functionality
• Gear made of plastic for reliable movement
• Frame constructed from a combination of metal and plastic for strength and durability
• Bolt-on attachment type for secure mounting
• Does not include motor or mounting hardware
• Package contains one power window regulator

Detailed Product Description

The Dorman 740-417 window regulator is engineered to restore proper window function in BMW 528i and 540i vehicles. Featuring a plastic gear and a mixed metal and plastic frame, this regulator balances durability with lightweight design. The electric window operation type ensures compatibility with factory power window systems, while the bolt-on attachment type simplifies installation without the need for additional modifications. Note that this part does not include a motor or mounting hardware, so these components must be sourced separately if needed.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or complete loss of electric window function
• Grinding or clicking noises during window operation
• Window becoming stuck in one position
• Worn or broken window regulator components causing window misalignment

Installation Notes and Tips

Installation of the Dorman 740-417 window regulator requires removal of the door panel and disconnection of the existing regulator. Since mounting hardware and motor are not included, ensure these parts are available before beginning installation. The bolt-on attachment type allows for a secure fit using factory mounting points. Professional installation is recommended to avoid damage to door components and ensure proper window alignment.

Quality Assurance and Warranty Information

Dorman window regulators 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 built with quality materials including a metal and plastic frame and plastic gear components. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor.