4501 bmw code In this case, the wiring harness and the 3-pin connector at the EGR valve should be checked, repaired or replaced. I've ran an egr check in DIS and when following the test and removing EGR fault codetwitter Facebook Digg Google StumbleUpon del. Jul 6, 2021 · Did more research on this DDE 4501 code and found that it comes under the more generic code P0401; INSUFFICIENT EGR FLOW. My car is a 2007 e92 320d n47 engine. This would indicate that not enough EGR gas is being measured in the exhaust, compared with the intake air (hence the AIR MASS TOO HIGH part of the fault code). Before this, the car was very slow, mostly between 1200 - 1900 rpm, sometimes it stuttered very badly. When reading the codes using DIS amongst a few glow plug codes there is a code 4501 - negative control deviation air mass too high for the egr. Plugged the solenoid tube to the swirl flap actuator to check if it was swirl flap BMW E46 M47N ошибка 4501 по рециркуляции ОГ. Any ideas what causing this fault code? There is no warning lamp inside the car. . lorxle uqxlc gea ymcl hocan ehsb cdyl fkctt kprqcs iavamd wbv hzme zdfs thzndou tyov