What color is BMW black primer?

BMW black primer has two kinds: sapphire blue and charcoal black.

The difference between BMW black and carbon color is as follows: 1, the difference of car paint. BMW's black car paint is ordinary car paint, and charcoal black is metal car paint. The gloss of charcoal black car paint is relatively higher than that of black. 2. The reflectivity is different. Charcoal black will appear dark blue luster under the refraction of natural light, while black will only appear dark color under the refraction of natural light, because the light absorption of black will basically not be reflected. 3. Different permeability. Carbon black is relatively transparent and has a sense of space, while the sense of space of black is not so obvious.