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3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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Old 02-27-2005, 07:09 PM   #1 (permalink)
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I popped my ICV off my 85 318i the other day to clean it out and possibly repalce it when this small round piece of metal fell out of the top of the ICV.

[attachmentid=18912][attachmentid=18913][attachmentid=18914]

What is this thing?.... I do not remember seeing it when I swapped ICVs in my 85 325e... I hooked up the ICV without this little piece, started the car, the engine rev'd up past 3500 rpm, dropped a little, then stalled. Then I tried it, putting the piece back in the way I found it (pic 3 above) and the car wouldn't start. When I pulled the ICV back off, the piece moved, and was stuck in the valve like this:

[attachmentid=18915]

I didn't have much more time to play around with it, and it was getting friggin cold... but I will have some time next weekend to dink around with it, in the meantime I'd hoped to get some info here.

Thanks guys
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Idle Control Valve-dsc00913.jpg   Idle Control Valve-dsc00914.jpg   Idle Control Valve-dsc00915.jpg   Idle Control Valve-dsc00916.jpg  
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Old 02-28-2005, 12:39 PM   #2 (permalink)
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I also bought another used ICV from ebay a while back... it didn't have this little metal jobbie with it... is this peice supposed to be in the hose somewhere?
any ideas yet?....
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Old 02-28-2005, 01:17 PM   #3 (permalink)
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More than likely the valve, controller or something related is bad and they used a piece of metal and drilled a hole in it to restrict the vaccum through the valve. It should not have that extra piece if everything is working correctly.
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Old 02-28-2005, 01:59 PM   #4 (permalink)
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Quote:
Originally posted by crazyinkc@Feb 28 2005, 01:17 PM
More than likely the valve, controller or something related is bad and they used a piece of metal and drilled a hole in it to restrict the vaccum through the valve. It should not have that extra piece if everything is working correctly.
[snapback]301075[/snapback]
sorry, the pics aren't that great, but the little peice of metal has no holes in it, and fits snuggly in the top of the ICV... but thanks, I also did not think it should be there, just wanted someone to confirm that.
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Old 03-01-2005, 12:54 AM   #5 (permalink)
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nobody knows I take it?..... should I just assume it was something that one of the previous owners stuck in there to temporarily treat the idling problem like crazyinkc stated above?
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Old 03-01-2005, 02:19 AM   #6 (permalink)
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Quote:
Originally posted by Gomerino@Feb 28 2005, 11:54 PM
nobody knows I take it?..... should I just assume it was something that one of the previous owners stuck in there to temporarily treat the idling problem like crazyinkc stated above?
[snapback]301587[/snapback]
yeah the valve probably jammed on him and he just put that in cause he didn't wanna fix it.
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