Here, we realize that the men aren't just loyal to the cars themselves. Rather, they use the particular car to show that they're loyal to their families and what their families look like at any given time. The two-seater BMW is thus a rejection of family, and as a sports car, it's very much just a vehicle to get from point A to point B in a fun and zippy way. It's not functional—it's fun, which is something Ove can’t approve of.