This is the internal door mechanism to raise and lower classic Mini roll-up windows. Reproduction, choose right- or left-hand side. Ref: CZH646, CZH647, CZH0646, CZH0647.
We suggest inspecting the window glass channels ALA5746/7 or ALA5746E/7E and replacing as needed, along with glass rubber 24A0948.
See CZH0646/7-USED for used version(s), subject to availability.