2019 BMW Z4 M40i by Ddiaz Design https://sketchfab.com/3d-models/2019-bmw-z4-m40i-c6178ca22425467080939e29e1b42f8c Author description: Based on a CSR2 3d model. CC Attribution-NonCommercial-ShareAlike 4.0 International https://creativecommons.org/licenses/by-nc-sa/4.0/ Adaptations: soft top and raised side/rear glazing removed; meshes joined; unused rig removed; coordinates quantized; orientation and car length normalized at runtime. Modified model shared under CC BY-NC-SA 4.0. This is a visual mesh, not manufacturer CAD or a validated engineering geometry. The roof stowage mechanism is not reconstructed.