Satisfactory service Please confirm that the model and production year of your car match our description before . If you have any questions, please contact us by email. We will reply within 24 hours and provide problems solving and assistance. Stable performance Produced in strict accordance with product standards, professional manufacturing, fine workmanship, reliable quality, and stable performance. A trustworthy fit that is designed to be a match with the original car. Compatibility and scope For BMW 3 Series E90 models including 323i, 325i, 328i, and 330i. Rear window glass gas spring shock lift strut for the car rear window. Easy to install Manufactured in strict accordance with original factory specifications and designed to fit your model. Small size, light weight, and broad applicability allow direct replacement. Installs easily in minutes with simple hand tools—no special tools required. Use scenarios Replacing a worn or failed rear window gas spring on a BMW 3 Series E90 to restore smooth opening and closing of the rear window. During rear window glass replacement or , upgrading the lift strut to ensure reliable operation. DIY maintenance to prevent rear window from dropping or failing to stay open, improving safety and convenience.