Dorman 749-103 Window Regulator - Front Right

Overview of Dorman Window Regulator 749-103 for BMW Models

The Dorman 749-103 window regulator is designed for electric window operation in select BMW vehicles. This replacement part ensures smooth window movement and reliable performance for models including the 525i, 528i, 530i, 535i, 545i, 550i, and M5.

• Compatible with BMW 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, 535i, 535i xDrive, 535xi, 545i, 550i, and M5
• Electric window operation type for seamless control
• Durable metal and plastic frame construction
• Plastic gear material for smooth engagement
• Bolt-on attachment type for secure installation
• Includes one power regulator unit
• Does not include motor or mounting hardware

Detailed Product Description

The Dorman 749-103 window regulator is engineered to restore proper window function in compatible BMW vehicles. Featuring a combination of metal and plastic frame materials, this regulator balances strength and weight to provide reliable support for the window glass. The plastic gear material is designed to engage smoothly with the window mechanism, reducing wear and noise during operation. This part is intended 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.

Common Applications and Issues Addressed

• Resolves window glass that fails to move up or down
• Fixes window regulators that produce grinding or clicking noises
• Replaces broken or worn plastic gears within the regulator assembly
• Addresses loose or unstable window glass movement
• Restores electric window functionality in BMW 5 Series and M5 models

Installation Notes and Tips

• Compatible with electric window systems; motor must be reused or replaced separately
• Requires bolt-on installation; ensure proper alignment before tightening bolts
• Mounting hardware is not included; retain original hardware or source separately
• Professional installation is recommended for optimal fit and function
• Verify vehicle model and part number 749-103 before installation

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 durable materials to provide long-lasting service. Please consult Dorman's warranty policy for specific coverage details related to part number 749-103.