Dorman 748-001 Power Window Motor and Regulator Assembly - Rear Left

Reliable Window Motor and Regulator Assembly for BMW Models

The Dorman 748-001 window motor and regulator assembly is designed to restore smooth window operation in select BMW vehicles. Engineered with a plastic gear and bolt attachment type, this assembly is compatible with BMW 525i, 528i, 530i, 540i, and M5 models, providing a direct replacement solution.

• Includes both window motor and regulator for complete assembly
• Plastic gear material designed for durability and quiet operation
• Bolt attachment type ensures secure mounting
• Compatible with BMW 525i, 528i, 530i, 540i, and M5 models
• Mounting hardware and installation instructions not included

Product Details and Specifications

This Dorman window motor and regulator assembly (part number 748-001) features a plastic gear that balances strength and noise reduction during window operation. The bolt attachment type allows for a secure fitment in the window mechanism. While mounting hardware and installation instructions are not included, the assembly is designed to match OEM specifications for the listed BMW models. The regulator is integrated into the assembly, providing a comprehensive replacement part for the vehicle’s power window system.

Compatible BMW Models and Applications

This window motor and regulator assembly is compatible with the following BMW models: 525i, 528i, 530i, 540i, and M5. It is intended for use in vehicles requiring replacement of the power window motor and regulator to restore proper window function. The part number 748-001 ensures correct fitment and performance for these specific BMW models.

Common Issues Addressed by This Assembly

• Power window failing to move or respond
• Intermittent window operation or slow movement
• Grinding or unusual noises during window operation
• Window stuck in open or closed position
• Regulator mechanism failure causing window misalignment

Installation Notes and Tips

Installation of the Dorman 748-001 window motor and regulator assembly requires removal of the door panel and disconnection of the existing window motor and regulator. Since mounting hardware and installation instructions are not included, it is recommended to have professional experience or consult a repair manual specific to the BMW model. Ensure all electrical connections are secure and test window operation before reassembling the door panel.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. While this assembly does not include embedded logic or micro-controlled features, it is engineered for reliable performance in the specified BMW models. Warranty coverage details should be confirmed at the point of purchase or through Dorman’s official channels.