hello iv been having trouble with my car idleing rough and stalling at junctions every now any agen. i have a 318d with the n47 engine with an auto box and iv changed a few sensors and it still the same so i took my egr valve out and give it a clean and its been alot better since but iv seen online that the arm what operates the valve get worn and then the valve gets stuck open what has been happing to mine so im gonna get the egr blanked/turned off but i was wondering if i have to get blanking plates or blanking kid and remove it or if i can just get the software turned off and not botherd with blanking as the egr will just be ther closed