Hunting at idle

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   I just thought I'd drop a quick note in on the subject of hunting at low revs / idle, as this has been the subject of a few posts previously.  I have had this problem on my '89 535 (167k) and seem to have made it disappear.  Perhaps less than astonishingly, the cure was a damn good servicing (it worked on Mrs S, so I thought I'd give it a go on the car!); I changed the plugs and leads, oil and filter, and replaced the grimy looking air filter with a K&N replacement panel filter.
Apart from a very occasional dip when I pull straight up from a banzai session, it seems a lot smoother and I don't get hunting anywhere near as much as I didi before.
I'm probably preaching to the converted, if so I apologise for wasting thirty seconds of your time, but the lesson is keep those services regular and your car will love you for it!

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Jimbonic Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member I Joined: 24-February-2004 Location: United Kingdom Status: Offline Points: 109	Topic: Hunting at idle Posted: 30-July-2004 at 08:59
	I just thought I'd drop a quick note in on the subject of hunting at low revs / idle, as this has been the subject of a few posts previously. I have had this problem on my '89 535 (167k) and seem to have made it disappear. Perhaps less than astonishingly, the cure was a damn good servicing (it worked on Mrs S, so I thought I'd give it a go on the car!); I changed the plugs and leads, oil and filter, and replaced the grimy looking air filter with a K&N replacement panel filter. Apart from a very occasional dip when I pull straight up from a banzai session, it seems a lot smoother and I don't get hunting anywhere near as much as I didi before. I'm probably preaching to the converted, if so I apologise for wasting thirty seconds of your time, but the lesson is keep those services regular and your car will love you for it!
	Jimbonic 1989 535iSE Manual, Sport pack, Leather, Climate Control

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e34-520iSE Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Really Senior Member I Joined: 22-December-2003 Location: Gateshead, UK Status: Offline Points: 453	Posted: 30-July-2004 at 19:20
	Hi! My M20 had an evil sounding rough idle. I changed the ICV, various sensors, spark plugs etc. No joy. Then I found I had an oil leak on the rocker cover gasket - was sucking air in! I agree with you Jimbonic, keep the car serviced and you'll never be let down. Cheers, Shaun
	Self confessed madman 1990 Brilliantrot 2 ltr M20. Air force definition of explosives: A loud noise followed by the sudden going away of what was once there a second ago.