Here are the Williams helmets of Bottas and Massa with the red stripe and Martini logo added. Enjoy!
You will receive the .dds files in the .rar so please use the "EGO ERP Archiver 4.3" program (download here: https://ryder25.itch.io/ego-erp-archiver) to add these to your game. ALWAYS make backups.
Open ERP Archiver, locate incardriver.erp (asset_groups/animation_package/scenes/incardriver/2016), use the search bar above the file list to locate Bottas and Massa from the list and replace with the files you downloaded. Easy.