by An unusually tuned BMW 4 Series Gran Coupe is driving around Taiwan. More precisely, it’s not so much the car itself that’s interesting, but its trailer. 
The point is that the trailer is made from another BMW 4 Gran Coupe and exactly replicates the car. It has also been lowered, given a body kit, and the wheel arches have been widened. Low-profile tires are also installed.
According to one version, a wrecked car was cut into two parts and the “rear” was used to create the trailer. According to another, it’s a plastic copy of a BMW. 
In any case, such an auto-train looks very impressive, and it’s practical too – there’s more than enough space in such a trailer.
