stuttering while idle

Hi guys i hope you can help. I have a 2003 E46 318i, Here are the Symptoms: very rough idle - the entire car shakes with the rough idle, rev needle dances at the 700rpm level, very shaky today noticed backfiring i think - its like when you shoot an air gun(that sound), when taking...

Hello everyone. (I just posted the same thread in the BIGGER general forum, too.) I need help. I tried the search function but it was of no avail. Problem: Engine light came on... Car (2002 330i) stutters and feels like if it is going to turn off on idle. When I drive, car is not responsive...