It's the X2 M35i that deserves your attention.
At the back, an outer plastic skin on the tailgate allows its surface to be flush with the bumper.
Larger vehicles with straight six cylinder engines were introduced in 1968, the 5 Series in 1972 and the 3 Series in 1975.
For more information about the X2's crash-test results, visit the National Highway Traffic Safety Administration and Insurance Institute for Highway Safety websites.
In a visible appearance, from the outside, even this vast inside and some automatic buttons.
Insurance companies don't like vulnerable steel to come out flush.