This is the basic color, you can DIY the color after you buy it back.

Door rear view mirror cap for BMW 1 Series to 4 Series F20 F22 F23 F30 F31 F32 F33 F36 F87 and M Series F87 M2 2014-on & X Series X1 E84 2013-2015 side mirror cover cap rearview, see detail below long description
 
This side mirror cover is Made of high quality ABS material, not easy aging and abrasion resistant that can ensure maximum strength and durability for long lasting usage fit for BMW 2 Series F22 F23 218i 220i 228i Coupe & Convertible 2014-on
 
Good Protection The mirror cover is mounted on BMW's rear-view mirror to Protect the mirror from scratches or damage and upgrade the look fit for BMW 1 Series F20 F21 116i 118i 120i 125i 130i Hatchback 2012-2016
 
Great Looking This rear mirror cover with Glossy Black style finish surface texture protective films, cool and high-end luxury looking that can enhance visual impact fit for BMW 3 Series F30 F31 320i 328i 330i 335i Sedan & Touring 2012-on
 
Easy to install The car rearview mirror cap cover is easy to install, firmly and it will not easy to fall off, fit for BMW 4 Series F32 F33 F36 420i 428i 435i Coupe & Convertible & Gran Coupe 2014-on
 
Compatible For BMW Models:
1 Series F20 5-doors 16i 118i 120i 125i 130i
2 Series F23 Convertible 228i 228iX 230i 260iX M235i M235iX M240i M240iX
3 series F30 Sedan 320i 320iX 328d 328dX 328i 328iX 330e 330i 330iX 335i 335iX 340i 340iX Hybrid 3
3 series F31 Touring 328dX 328i 328iX 330iX
3 series F34 Gran Turismo 328i 328iX 330iX 335iX 340iX
4 series F32 Coupe  428i 428iX 430i 430iX 435i 435iX 440i 440iX
4 series F33 Convertible  428i 428iX 430i 430iX 435i 435iX 440i 440iX
4 series F36 Gran Coupe  428i 428iX 430i 430iX 435i 435iX 440i 440iX
X1 E84 28i 28iX 35iX
M2 F87
 
Include:

1 Pair Mirror Cover Trim