I'm new here and would love for people to give me their advice on my bmw. It's the 1.9 e36 compact and I got a problem thats doing my head in. When the engines running the idle speed drops to about 500 rpm and when you rev it , the revs pick up but if you try and rev it again quickly it doesn't want to rev. There is a new maf sensor on it and the elbow joint to the throtle body is not split in the corrigations.
If any one has any ideas feel free to share them.