BMW's 3 series and 7 series: Guardians of the 3-boxed German galaxy
Amidst the confident strides BMW has taken with its SUVs, the 3 Series and 7 Series demonstrate why the German marque produces arguably the best luxury sedans. BMW's current era is marked by diversification. Its Series cars now fill out every number from one to eight, while its Sports Activity Vehicles and Sports Activity Coupes do the same from X1...