ITEM NAME:Lift Supports Rear Tailgate Struts Gas Springs Shocks 51247060623 for BMW 3 B8O7 Lift Supports Rear Tailgate Struts Gas Springs Shocks 51247060623 for BMW 3 B8O7 1.Direct fit replacement lift support, makes opening and closing easy and comfortable, convenient and safe. 2.Rust-resistant Nitride corrosion resistant piston rod extends product life, Multi-Lobe Seal make gas springs more tolerant to vibration and extreme temperature. 3.Use compressed gas, contained in a cylinder and compressed by a piston, to exert a force to support the weight of front hood or rear liftgate tailgate. Makes your tailgate opening or closing easy and comfortable, convenient and safe. 4,Easy To Install No special tools required Individually tested for consistent performance in all weather