WAI WPR6334LB Window Regulator - Rear Left

Reliable Window Regulator for BMW 3 Series Models

The WAI WPR6334LB window regulator is designed specifically for a range of BMW 3 Series vehicles, including the 320i, 328i, 330i, 335i, 340i, ActiveHybrid 3, and M3 models. This part ensures smooth and consistent window operation, restoring functionality to your vehicle's door system.

• Compatible with BMW 320i, 320i xDrive, 328d, 328d xDrive, 328i, 328i xDrive, 330e, 330i, 330i xDrive, 335i, 335i xDrive, 340i, 340i xDrive, ActiveHybrid 3, and M3 models
• OEM-quality window regulator designed for precise fit and reliable performance
• Part number WPR6334LB ensures correct replacement for specified BMW models
• Engineered to restore smooth window movement and reduce noise
• Durable construction to withstand daily use and environmental exposure

Product Details and Compatibility

The WAI WPR6334LB window regulator is a direct replacement part engineered to meet the specifications of BMW 3 Series vehicles listed in the fitment. This window regulator is essential for maintaining proper window operation, preventing issues such as window sticking or failure to move. It is designed to integrate seamlessly with the door assembly, providing consistent performance over time. The part number WPR6334LB corresponds to this specific regulator model, ensuring compatibility with BMW 320i, 328i, 330i, 335i, 340i, ActiveHybrid 3, and M3 variants, including xDrive and diesel versions where applicable.

Common Applications and Problem Resolution

• Restores window movement when the window is stuck or slow to operate
• Eliminates window rattling or misalignment issues
• Replaces worn or damaged window regulators causing uneven window travel
• Addresses electrical or mechanical failure in power window systems
• Improves door functionality and driver/passenger convenience

Installation Notes and Tips

Installation of the WAI WPR6334LB 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 hazards. Proper alignment during installation is critical to ensure smooth window operation. Refer to the vehicle’s service manual for detailed instructions and torque specifications. Professional installation is advised if unfamiliar with door panel disassembly or window regulator replacement.

Quality Assurance and Warranty Information

WAI manufactures the WPR6334LB window regulator to meet industry standards for durability and performance. While specific warranty details are not provided, WAI products typically undergo quality control testing to ensure reliability. Using the correct part number WPR6334LB guarantees compatibility and helps maintain the integrity of your BMW 3 Series window system.