The Genuine BMW Back Glass Seal Upper (E90) - 51317061970 is a high-quality, OEM replacement part for the back glass of BMW E90 models. This seal is designed to fit perfectly and securely onto the upper portion of the back glass, providing a tight seal to keep out water, dust, and other debris. It is made from durable materials to ensure long-lasting performance and is an essential component for maintaining the integrity of the back glass on your BMW E90. This product is an authentic BMW part and is recommended for use in conjunction with other Genuine BMW parts for optimal fit and function.