Genuine 51331977579 Window Regulator - Front Left

Reliable Window Regulator for BMW 3 Series Models

This Genuine window regulator is designed specifically for select BMW 3 Series vehicles, including the 318i, 318is, 325is, 328i, 328is, and M3 models. Engineered to meet OEM standards, this part ensures smooth and consistent window operation for your BMW.

• Compatible with BMW 318i, 318is, 325is, 328i, 328is, and M3 models
• Genuine part number 51331977579 for precise fitment
• Durable construction for long-lasting performance
• Direct replacement for factory window regulator
• Restores proper window movement and control

Product Details and Compatibility

The Genuine window regulator with part number 51331977579 is manufactured to match the exact specifications of the original equipment used in BMW 3 Series vehicles. This ensures a seamless fit and reliable function in models such as the 318i, 318is, 325is, 328i, 328is, and M3. The regulator is a critical component in the door assembly, responsible for raising and lowering the window glass smoothly and securely.

Common Applications and Problem Resolution

• Fixes windows that fail to move up or down
• Eliminates window rattling or slipping inside the door
• Resolves issues with slow or uneven window operation
• Replaces broken or worn regulator mechanisms
• Restores power window functionality in affected BMW 3 Series models

Installation Notes and Tips

Installation of this window regulator requires removal of the door panel and careful handling of the window glass. It is recommended to disconnect the vehicle battery before beginning to avoid electrical issues. Proper alignment of the regulator and secure fastening are essential for optimal operation. Professional installation is advised if unfamiliar with door component repairs.

Quality Assurance and Warranty

This Genuine window regulator meets BMW’s original equipment standards for quality and durability. While specific warranty details may vary, Genuine parts typically come with a manufacturer-backed warranty to protect against defects in materials and workmanship. Using this part helps maintain the integrity and performance of your BMW’s window system.