The facelifted (LCI) models of the BMW 4 Series were unveiled in January 2017, with the first pictures of the refreshed Coupé (F32 LCI) shown in the new color Snapper Rocks Blue (turquoise blue), and the Convertible (F33 LCI) shown in the also new, Sunset Orange colour  (bright orange).
The Gran Coupé (F36 LCI) model was shown in a silver colour.

The facelift (LCI) was introduced for the 2018 model year.
Major changes include:
Exterior design changes including redesigned LED headlights, tail-lights, and bumpers
Interior design changes including an updated iDrive system (version 6.0)
Revised stiffer suspension on Coupé and Gran Coupé models
New additional trim, wheel, and exterior colour options
The facelifted (LCI) models of the BMW 4 Series were unveiled in January 2017, with the first pictures of the refreshed Coupé (F32 LCI) shown in the new color Snapper Rocks Blue (turquoise blue), and the Convertible (F33 LCI) shown in the also new, Sunset Orange colour  (bright orange). The Gran Coupé (F36 LCI) model was shown in a silver colour. 
The facelift (LCI) was introduced for the 2018 model year. Major changes include:
Exterior design changes including redesigned LED headlights, tail-lights, and bumpers
Interior design changes including an updated iDrive system (version 6.0)
Revised stiffer suspension on Coupé and Gran Coupé models
New additional trim, wheel, and exterior colour options
BMW 4 Series (F32)