Keystone BM1550122 Rear Left Power Window Regulator Without Motor

The Keystone BM1550122 is an OEM-replacement rear left (driver side) power window regulator designed for the BMW X3 F25 platform. Engineered as a direct-fit solution, this regulator restores proper power window operation without requiring replacement of the existing window motor, saving time and cost on the repair.

Key Features:

• Direct OEM Replacement: Designed to match the original equipment specifications for precise fit and function
• Power Window Operation: Compatible with the vehicle's existing power window motor — regulator only, motor not included
• Driver Side (Left): Rear left / rear driver side position
• OEM Cross-Reference: Replaces BMW OEM part number 51357355639
• Collision & Repair Grade: Built to Keystone Automotive's standards for professional collision and mechanical repair applications

OEM Part Number Cross-Reference: 51357355639 (51-35-7-355-639)

This window regulator is sold as a single unit without the motor. If the existing motor is in good working condition, this regulator can be reused with it, making this an economical choice for restoring full window functionality.