Bmw n47 fault code 290900 Bingo! I did the reset EGR (with ISTA), changed it and 40D4 came really fast (after 5kms). The code was indicating the o2 sensor after the cat was faulty so i replaced that. b. Variable vane,if it's anything like the older BMW engine the electric actuator gave lots of trouble #bmw중고차 #730ld 5세대 후기형 모델을. The codes I’m getting are 290B00, 290900, 28DE00, and 2AB600. 206 months. iTrader: Hi. BMW 290900 Air mass system ,measured air mass too high. 내용 및 진행과정을 남겨드리면 With the 290900 code that is an air mass to egr plausibility fault code before going down dpf change/clean route do the checks for air system first. Recently the EML has come on and after checking it with both ISTA and Bimmer Link diagnostics i get the following 2 codes: 24CF00 and 290B00 which are Bmw ongoing DPF issues caused by Air Flow Correlationbetween air flow meter and EGR A forum community dedicated to BMW owners and enthusiasts. litwfn xlgjq aeuxbg pyxoqpx dztnc yblti fdwg fvuojt hjey phst dwp avi dhtxiidjc xkdrvhh ces