Dorman 749-750 Window Regulator - Rear Left

Reliable Window Regulator for BMW 740i, 740iL, and 750iL

The Dorman 749-750 window regulator is designed to restore smooth electric window operation in select BMW models. Engineered with durable materials, this part ensures consistent performance for your BMW 740i, 740iL, and 750iL vehicles.

• Compatible with BMW 740i, 740iL, and 750iL models
• Electric window operation type for seamless control
• Durable metal and plastic frame construction
• Plastic gear material for reliable movement
• Bolt-on attachment type for secure installation
• Includes one power regulator unit
• Does not include motor or mounting hardware

Product Details and Specifications

The Dorman 749-750 window regulator features a combination of metal and plastic frame materials, providing a balance of strength and lightweight design. The plastic gear material is engineered to engage smoothly with the window mechanism, reducing wear and noise during operation. This regulator is designed for electric window systems and requires a separate motor, as it is not included. The bolt-on attachment type allows for a straightforward replacement process, although mounting hardware and installation instructions are not provided with the package.

Common Applications and Problem Resolution

This window regulator is intended for use in BMW 740i, 740iL, and 750iL models experiencing issues such as:

• Window glass failing to move up or down properly
• Intermittent or slow window operation
• Grinding or unusual noises during window movement
• Window becoming stuck in one position
• Loose or unstable window glass

Installation Notes and Tips

Installation of the Dorman 749-750 window regulator requires removal of the door panel and disconnection of the existing regulator. Since mounting hardware and motor are not included, reuse existing components or acquire replacements separately. Ensure the regulator is securely bolted in place to prevent window misalignment. Professional installation is recommended if unfamiliar with electric window systems.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While this window regulator does not include a motor or mounting hardware, it is built with quality materials to provide reliable service. Please refer to Dorman's warranty policy for specific coverage details related to this part number 749-750.