My BMW Z4 had the same design. I'd go out in the morning and the door wouldn't open if ice had formed at the top of the window. I'd have to hold my hands on the

My BMW Z4 had the same design. I'd go out in the morning and the door wouldn't open if ice had formed at the top of the window. I'd have to hold my hands on the ice and melt it until it was weak enough to scrape off. It wasn't fun, but I did love that car.