2015-2020 F83 BMW M4 Convertible Tonneau Panel Hydraulic Lift Cylinders w/ Lines / OEM / F8M02Donor Car:2015 F83 BMW M4 Convertible – 55kFunctionality:In good working condition, removed from a vehicle with a fully operational convertible top assembly. Tonneau panel raised and lowered with no malfunctions or leaks during testing.Physical Condition:Includes the pair of factory tonneau panel lift cylinders with hydraulic lines and wiring harness as shown. In good physical condition with no bends or damage. You will need to reuse some of your existing hardware for installation.Fits:2015, 2016, 2017, 2018, 2019, 2020 F83 BMW M4 ConvertibleFitment Information:These can only be used for the rear tonneau panel operation.Cylinder Part #54377128782 /54377183320Hydraulic Hose Part #54377344456 / 54377344455