K&N Replacement Air Filter BMW 4 Series (F32 / 33 / 36 / 82) 435d (2014 > 2017)
BMW 4 Series (F32 / 33 / 36 / 82) 435d. Years of manufacture = 2014 > 2017. It has been engineered to last the life of your engine. Note that the price quoted is just for one filter. K&N Part Number = 33-3028.