OEM / REF numbers: 37126790080, 6776995, 6790080, 37126776995. Pneumatic spring rear 6790080. Gasfeder hinten 008275. OEM 37126790080, 6776995, 6790080, 37126776995. This is a genuine OEM part for the rear pneumatic spring, designed to work with various BMW models.
eBay