VEHICLE SPECIFIC DESIGN-Car sun shade for windshield specifically Custom Fit BMW 2013-2018 3 Series/F30/F31/F80/M3 for BMW 328i 335i 320i 330i 325i Windshield Cover Accessories. Accurate fit design and Reinforced steel rings make a precise and secure fit to the window, no need to use suction cups to hold it in place. Please measure your car windshield size and refer to our size before your purchase. EASY TO INSTALL AND STORE- Lightweight and foldable design. Car sun windshield cover is easy to install and folds up quickly into the included carrying case, for easy storage and carrying. Folded, it easily fits into a door pocket or under the seats or glove box, to save you space in your car interior.