Download Sauber unveil first F1 car with Alfa Romeo, the C37, for 2018 season Wallpaper from the all Widescreen (4K 5K 8K Ultra HD resolutions) for mobiles, tablets and desktops devices with Microsoft Windows / Apple iOS & MacOS / Android / Linux and other devices. Sauber unveil first F1 car with Alfa Romeo, the C37, for 2018 season Wallpaper is part of the Alfa Romeo Sauber C37 collection.