Brianmoooore wrote:The idle screw is unlikely to have moved itself, so don't touch it!!! Your car has a fault. Find the fault - don't introduce another one!

Do you have any suggestions where to start? I was reading that the idle control valve can get plugged up. I was going to remove it and try and clean it out.

I have an 84 318i and it idles right around 2100 rpm's and is eratic up and down slightly. If I unplug one of the sensors where the upper radiator hose comes into the top of the engine than it idles down to around 1100 but will die if you try to give it any gas? Does anyone have any suggestions wher...