Idle valve makes noise after turning off engine

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DaniTD
E30 Zone Newbie
E30 Zone Newbie
Posts: 196
Joined: Wed Oct 07, 2009 11:00 pm

Post Wed Sep 11, 2013 10:01 pm

For some time I was feeling a "clack" noise every time I shut off the engine. I though it was an air bubble on the cooling system, but no.

Today, with the hood opened, I turned off the engine and put my hand on the ICV, and after 3 or 5 seconds, I could feel a bump on the valve, making that sound.

Also, the econometer makes a little movement on its position at about 3 seconds of turning the engine off.

Could it be a bad DME? I have a 318i with M40 engine.

THanks!